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[Octave-cvsupdate] SF.net SVN: octave:[10326] trunk/octave-forge/main/physical-constants
|
From: <car...@us...> - 2012-04-25 21:25:42
|
Revision: 10326
http://octave.svn.sourceforge.net/octave/?rev=10326&view=rev
Author: carandraug
Date: 2012-04-25 21:25:31 +0000 (Wed, 25 Apr 2012)
Log Message:
-----------
physicalconstant:
* updated values for latest by CODATA
* new python script to generate function that automatically downloads ascii table
* fixed bug on python script due to new format of table
* changed API of the function (new order of output and use of actual name as input instead of a modifed that caused some constnats to be removed (when only conditions changed, script would name them the same)
* use built-in functions to search for match on strcuture array (faster search)
Modified Paths:
--------------
trunk/octave-forge/main/physical-constants/inst/physical_constant.m
Added Paths:
-----------
trunk/octave-forge/main/physical-constants/NEWS
trunk/octave-forge/main/physical-constants/inst/physical_constant.py
Removed Paths:
-------------
trunk/octave-forge/main/physical-constants/gen.py
Added: trunk/octave-forge/main/physical-constants/NEWS
===================================================================
--- trunk/octave-forge/main/physical-constants/NEWS (rev 0)
+++ trunk/octave-forge/main/physical-constants/NEWS 2012-04-25 21:25:31 UTC (rev 10326)
@@ -0,0 +1,8 @@
+Summary of important user-visible changes for physicalconstants 1.0.0:
+-------------------------------------------------------------------
+
+ ** The values returned by `physical_constant' have been adjusted to the
+ latest (2010) recommended values by CODATA.
+
+ ** The function `physical_constant' has a new API and should also
+ perform faster.
Deleted: trunk/octave-forge/main/physical-constants/gen.py
===================================================================
--- trunk/octave-forge/main/physical-constants/gen.py 2012-04-24 17:13:49 UTC (rev 10325)
+++ trunk/octave-forge/main/physical-constants/gen.py 2012-04-25 21:25:31 UTC (rev 10326)
@@ -1,325 +0,0 @@
-#! /usr/bin/python
-##
-## (C) 2007 Muthiah Annamalai
-##
-## This program is free software; you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation; either version 2 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program; If not, see <http://www.gnu.org/licenses/>.
-##
-## This is the code generator that works on the NIST file.
-##
-##
-import string
-import time
-import sys
-from curses.ascii import *
-
-def make_oct_func(name,Description,Val,Units,Uncertainity,path):
- sys.stdout=open(path + string.upper(name)+".m","w");
- print "## Copyright (C) 2007 Python Code Generator "
- print "##"
- print "## -- WARNING -- Autogenerated - DONOT EDIT -"
- print "##"
- print "## This code is released under GPL"
- print """## You should have received a copy of the GNU General Public License
-## along with Octave; see the file COPYING. If not, see
- print ""
- print "## -*- texinfo -*-"
- print "## @deftypefn {Function File} [@var{Val},@var{unit},@var{uncertanity}] {} "+ \
- string.upper(name) + "() "
-
- Description = "Returns the "+Description;
- while len(Description) > 0:
- print "## %s"%(Description[:80]);
- Description=Description[81:];
- print "## . Val="+Val + " Units="+Units+" Uncertanity="+Uncertainity+". "
- print """## @var{Val} is actual value of the constant.
-## @var{Unit} is a Units string.
-## @var{uncertanity} is +/- value to constant."""
- print "##"
- print "## Autogenerated on "+str(time.ctime())
- print "## from NIST database at http://physics.nist.gov/constants "
- print "## @end deftypefn"
- print ""
- print """## Fundamental Physical Constants --- Complete Listing
-## From: http://physics.nist.gov/constants
-## Source: Peter J. Mohr and Barry N. Taylor, CODATA Recommended Values of the
-## Fundamental Physical Constants: 2002, published in Rev. Mod. Phys.
-## vol. 77(1) 1-107 (2005).
-## Taken from: physics.nist.gov/cuu/Constants/Table/allascii.txt
-##
- """
- print "function [Val,Unit,Uncertanity]=%s()"%(string.upper(name))
- print "\t Val = %s; "%(Val)
- print "\t Units = \"%s\";"%(Units)
- print "\t Uncertanity = %s;"%(Uncertainity)
- print "endfunction"
- print "%"
- print "%%!assert(%s,%s,eps)"%(string.upper(name),Val)
- print "%"
- sys.stdout.close()
- return
-
-def make_physconst_func(func_metadata,PATH):
- ostd=sys.stdout;
- sys.stdout=open(PATH+'/physical_constant.m','w');
- print "## Copyright (C) 2007 Muthiah Annamalai "
- print "##"
- print "## --parts of code AUTOGENERATED. DONOT EDIT--"
- print "## --DONOT EDIT--"
- print "##"
- print "## This code is released under GPL"
- print """## You should have received a copy of the GNU General Public License
-## along with Octave; see the file COPYING. If not, see
-## <http://www.gnu.org/licenses/>."""
- print ""
- print "## -*- texinfo -*-"
- print "## @deftypefn {Function File} [@var{Val},@var{unit},@var{uncertanity},@var{desc},@var{name}] {} =physical_constant(@var{arg})"
- print "## @var{arg} is the name of the physical constant to retrieve."
- print "## The output arguments are the attributes which you need. "
- print "## By default, the return value is the constant value."
- print "## if no arguments are passed, depending on the output arguments the entire units structure is returned"
- print """## @var{Val} is actual value of the constant.
-## @var{Unit} is a Units string.
-## @var{uncertanity} is +/- value to constant."""
- print "##"
- print "## Autogenerated on "+str(time.ctime())
- print "## from NIST database at http://physics.nist.gov/constants "
- print "## @end deftypefn"
- print ""
- print """## Fundamental Physical Constants --- Complete Listing
-## From: http://physics.nist.gov/constants
-## Source: Peter J. Mohr and Barry N. Taylor, CODATA Recommended Values of the
-## Fundamental Physical Constants: 2002, published in Rev. Mod. Phys.
-## vol. 77(1) 1-107 (2005).
-## Taken from: physics.nist.gov/cuu/Constants/Table/allascii.txt
-##
- """
-
- print "function [rval,unit,uncert,desc,name]=physical_constant(arg)"
- print ""
- print " persistent unit_data;"
- print " if isstruct(unit_data) == 0 "
- print " unit_data=struct();"; ## can we use persist smartly here?
-
- #func-name#'es => [Desc, Val,Units, Uncertanity]
- k=1;
- key_sorted=func_metadata.keys();
- key_sorted.sort();
- for key in key_sorted:
- v=func_metadata[key]; #sort by name
- print " unit_data( %d ).name=\"%s\";"%(k,key);
- print " unit_data( %d ).description=\"%s\";"%(k,v[0]);
- print " unit_data( %d ).value=%s;"%(k,v[1]);
- print " unit_data( %d ).units=\"%s\";"%(k,v[2]);
- print " unit_data( %d ).uncertanity=%s;"%(k,v[3]);
- k=k+1;
- print ""
- print " end"
-
- print ""
- print " if nargin < 1 "
- print " rval=unit_data;"
- print " return;"
- print " end"
-
- #print " if nargin < 1"
- #print " if (nargout <= 1)"
- #print " rval=unit_data;"
- #print " else"
- #print " rval=unit_data.value;"
- #print " end"
- #print " if (nargout >= 2)"
- #print " unit=unit_data.units"
- #print " end"
- #print " if (nargout >= 3)"
- #print " uncert=unit_data.uncertanity;"
- #print " end"
- #print " if (nargout >= 4)"
- #print " desc=unit_data.description;"
- #print " end"
- #print " if (nargout >= 5)"
- #print " name=unit_data.name;"
- #print " end"
- #print " return;"
- #print " end"
-
- print ""
- print " matches=[]; pmatches=[];"
- print " LN=length(arg);"
- print " arg=toupper(arg);"
- #print " for idx = 1:length(unit_data) %replace to binary search"
- #print " if ( strcmp(arg,unit_data( idx ).name) == 1 )"
- #print " matches=[matches, idx];"
- #print " end"
- #print " end"
- print " %binary search"
- print " low=1;high=length(unit_data);"
- print " while ( low <= high ) "
- print " idx=low+floor((high-low)/2);"
- print " val=cstrcmp(unit_data( idx ).name,arg);"
- print " if val == 0"
- print " matches=[matches, idx];"
- print " break;"
- print " elseif val==-1"
- print " low=idx+1;"
- print " else %val ==+1";
- print " high=idx;"
- print " end"
- print " if ( idx == (low + high)/2 )"
- print " warning(\"Cannot find a perfect-match for %s\",arg)"
- print " break;"
- print " end"
- print " end"
- print " if (length(matches) == 0) %search only when we dont have matches"
- print " for idx = 1:length(unit_data)"
- print " if ( strncmp(arg,unit_data( idx ).name,LN) == 1 )"
- print " pmatches=[pmatches, idx];"
- print " end"
- print " end"
- print " end"
- print ""
- print " matches = [matches, pmatches]; "
- print " if (length(matches) >= 1)"
- print " if (length(matches) == length(pmatches)) %Only partial matches exist"
- print " warning(\" Includes partial matches. Picking first %s (1'st) match with units %s..."
- print " by default for %s.\",unit_data(matches(1)).name,unit_data(matches(1)).units,arg)"
- print " end"
- print " match=unit_data(matches(1));"
- print " rval=match.value;"
- print " if (nargout >= 2)"
- print " unit=match.units;"
- print " end"
- print " if (nargout >= 3)"
- print " uncert=match.uncertanity;"
- print " end"
- print " if (nargout >= 4)"
- print " desc=match.description;"
- print " end"
- print " if (nargout >= 5)"
- print " name=match.name;"
- print " end"
- print " else"
- print " error(\" No matches found\")";
- print " end"
- print " return;"
- print "end"
- print ""
- print "function v=cstrcmp(s1,s2)"
- print " L2=length(s2);"
- print " L1=length(s1);"
- print " L=min(L1,L2);"
- print " for idx=1:L"
- print """ p=s1(idx);
- q=s2(idx);
- if ( p ~= q )
- v=sign(p-q);
- return
- end"""
-# print " if s1(idx)!=s2(idx)"
-# print " if ( s1(idx)>s2(idx) )"
-# print " v=+1;"
-# print " else"
-# print " v=-1;"
-# print " end"
-# print " return"
-# print " end"
- print " end"
- print " v=sign(L1-L2);"
- print " return;"
- print "end"
-
- ## tests
- for key in key_sorted:
- v=func_metadata[key];
- print "%%!assert( physical_constant( \"%s\" ),%s,eps);"%(key,v[1])
-
- sys.stdout.close()
- return
-
-
-if __name__ == "__main__":
- y=file("nist-allascii.txt");
- x=y.readlines()[14:]; ## skip first 14 lines.
- y.close();
-
- replace_dict={',':'_',
- '/':'_per_',
- '-':'_',
- ' ':'_',
- '.':'',
- '_over_':'_by_',
- '_relationship':''};
- uncert_dict={'(exact)':'0.0'};
- val_dict={' ':'',
- '...':''} # . is decimal!
-
- PATH="./" #default path.
- ostd=sys.stdout;
- if len(sys.argv) > 1:
- PATH=sys.argv[1]+"/";
- func_metadata={}; ## this is Python
- for l in x:
- ## serves like a comment.
- Description=l[0:55].strip();
-
- ## function name
- name=Description;
-
- ## discard anything that dont have alphabets in beginning.
- idx=0;
- NLEN=len(name);
- while ( idx < NLEN) and (not isalpha(name[idx])) :
- idx=idx+1;
- name=name[idx:]
-
- ## value
- Val=l[55:77];
-
- ## Uncertanity field
- Uncertainity=l[77:77+22].strip().replace(" ","")
-
- ## create units.
- Units=l[99:-1].strip()
-
- ## replace names.
- if name.find("(") >= 0:
- name=name.split('(')[0].strip()
- for k,v in replace_dict.items():
- name=name.replace(k,v);
- name=string.upper(name);
-
- ## replace uncertanity values
- for k,v in val_dict.items():
- Val=Val.replace(k,v)
-
- ## replace uncertanity values
- for k,v in uncert_dict.items():
- Uncertainity=Uncertainity.replace(k,v)
-
- ## call function
- ##print "[%s],[%s],[%s],[%s]"%(name, Val, Uncertainity, Units)
- ##make_oct_func(name,Description,Val,Units,Uncertainity,PATH)
- ##sys.stdout=ostd
- ##print string.upper(name)
-
- #func-name#'es => [Desc, Val,Units, Uncertanity]
- func_metadata[name]=[Description,Val, Units, Uncertainity];
-
- ##generate main file.
- make_physconst_func(func_metadata,PATH);
-
-
-
-
-##python ./gen.py > constants.m && octave -q constants.m
-##octave -q --eval 'test physical_constant'
Modified: trunk/octave-forge/main/physical-constants/inst/physical_constant.m
===================================================================
--- trunk/octave-forge/main/physical-constants/inst/physical_constant.m 2012-04-24 17:13:49 UTC (rev 10325)
+++ trunk/octave-forge/main/physical-constants/inst/physical_constant.m 2012-04-25 21:25:31 UTC (rev 10326)
@@ -1,2263 +1,2078 @@
-## Copyright (C) 2007 Muthiah Annamalai
+## Copyright (C) 2007 Muthiah Annamalai <mut...@ut...>
+## Copyright (C) 2012 Carnë Draug <car...@gm...>
##
-## --parts of code AUTOGENERATED. DONOT EDIT--
-## --DONOT EDIT--
+## This program is free software; you can redistribute it and/or modify it under
+## the terms of the GNU General Public License as published by the Free Software
+## Foundation; either version 3 of the License, or (at your option) any later
+## version.
##
-## This code is released under GPL
-## You should have received a copy of the GNU General Public License
-## along with this software; see the file COPYING. If not, see
-## <http://www.gnu.org/licenses/>.
+## This program is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+## details.
+##
+## You should have received a copy of the GNU General Public License along with
+## this program; if not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
-## @deftypefn {Function File} [@var{Val},@var{unit},@var{uncertanity},@var{desc},@var{name}] {} =physical_constant(@var{arg})
-## @var{arg} is the name of the physical constant to retrieve.
-## The output arguments are the attributes which you need.
-## By default, the return value is the constant value.
-## if no arguments are passed, depending on the output arguments the entire units structure is returned
-## @var{Val} is actual value of the constant.
-## @var{Unit} is a Units string.
-## @var{uncertanity} is +/- value to constant.
+## @deftypefn {Function File} {[@var{names}] =} physical_constant
+## @deftypefnx {Function File} {[@var{val}, @var{uncertainty}, @var{unit}] =} physical_constant (@var{name})
+## @deftypefnx {Function File} {[@var{constants}] =} physical_constant ("all")
+## Get physical constant @var{arg}.
##
-## Autogenerated on Fri Feb 23 00:35:47 2007
-## from NIST database at http://physics.nist.gov/constants
+## If no arguments are given, returns a cell array with all possible @var{name}s.
+## Alternatively, @var{name} can be `all' in which case @var{val} is a structure
+## array with 4 fields (name, value, uncertainty, units).
+##
+## Since the long list of values needs to be parsed on each call to this function
+## it is much more efficient to store the values in a variable rather make multiple
+## calls to this function with the same argument
+##
+## The values are the ones recommended by CODATA. This function was autogenerated
+## on Wed Apr 25 22:17:07 2012 from NIST database at @uref{http://physics.nist.gov/constants}
## @end deftypefn
-## Fundamental Physical Constants --- Complete Listing
-## From: http://physics.nist.gov/constants
-## Source: Peter J. Mohr and Barry N. Taylor, CODATA Recommended Values of the
-## Fundamental Physical Constants: 2002, published in Rev. Mod. Phys.
-## vol. 77(1) 1-107 (2005).
-## Taken from: physics.nist.gov/cuu/Constants/Table/allascii.txt
-##
-
-function [rval,unit,uncert,desc,name]=physical_constant(arg)
+## DO NOT EDIT THIS FILE
+## This function file is generated automatically by physical_constant.py
- persistent unit_data;
- if isstruct(unit_data) == 0
- unit_data=struct();
- unit_data( 1 ).name="ALPHA_PARTICLE_ELECTRON_MASS_RATIO";
- unit_data( 1 ).description="alpha particle-electron mass ratio";
- unit_data( 1 ).value=7294.2995363;
- unit_data( 1 ).units="";
- unit_data( 1 ).uncertanity=0.0000032;
+function [rval, uncert, unit] = physical_constant (arg)
- unit_data( 2 ).name="ALPHA_PARTICLE_MASS";
- unit_data( 2 ).description="alpha particle mass";
- unit_data( 2 ).value=6.6446565e-27;
- unit_data( 2 ).units="kg";
- unit_data( 2 ).uncertanity=0.0000011e-27;
+ persistent unit_data;
+ if (isempty(unit_data))
+ unit_data = get_data;
+ endif
- unit_data( 3 ).name="ALPHA_PARTICLE_MASS_ENERGY_EQUIVALENT";
- unit_data( 3 ).description="alpha particle mass energy equivalent";
- unit_data( 3 ).value=5.9719194e-10;
- unit_data( 3 ).units="J";
- unit_data( 3 ).uncertanity=0.0000010e-10;
+ if (nargin > 1 || (nargin == 1 && !ischar (arg)))
+ print_usage;
+ elseif (nargin == 0)
+ rval = reshape ({unit_data(:).name}, size (unit_data));
+ return
+ elseif (nargin == 1 && strcmpi (arg, "all"))
+ rval = unit_data;
+ return
+ endif
- unit_data( 4 ).name="ALPHA_PARTICLE_MASS_ENERGY_EQUIVALENT_IN_MEV";
- unit_data( 4 ).description="alpha particle mass energy equivalent in MeV";
- unit_data( 4 ).value=3727.37917;
- unit_data( 4 ).units="MeV";
- unit_data( 4 ).uncertanity=0.00032;
+ val = reshape ({unit_data(:).name}, size (unit_data));
+ map = strcmpi (val, arg);
+ if (any (map))
+ val = unit_data(map);
+ rval = val.value;
+ uncert = val.uncertainty;
+ unit = val.units;
+ else
+ error ("No constant with name '%s' found", arg)
+ endif
+endfunction
- unit_data( 5 ).name="ALPHA_PARTICLE_MASS_IN_U";
- unit_data( 5 ).description="alpha particle mass in u";
- unit_data( 5 ).value=4.001506179149;
- unit_data( 5 ).units="u";
- unit_data( 5 ).uncertanity=0.000000000056;
+function unit_data = get_data
+ unit_data(1).name = "Angstrom star";
+ unit_data(1).value = 1.00001495e-10;
+ unit_data(1).uncertainty = 0.00000090e-10;
+ unit_data(1).units = "m";
- unit_data( 6 ).name="ALPHA_PARTICLE_MOLAR_MASS";
- unit_data( 6 ).description="alpha particle molar mass";
- unit_data( 6 ).value=4.001506179149e-3;
- unit_data( 6 ).units="kg mol^-1";
- unit_data( 6 ).uncertanity=0.000000000056e-3;
+ unit_data(2).name = "Avogadro constant";
+ unit_data(2).value = 6.02214129e23;
+ unit_data(2).uncertainty = 0.00000027e23;
+ unit_data(2).units = "mol^-1";
- unit_data( 7 ).name="ALPHA_PARTICLE_PROTON_MASS_RATIO";
- unit_data( 7 ).description="alpha particle-proton mass ratio";
- unit_data( 7 ).value=3.97259968907;
- unit_data( 7 ).units="";
- unit_data( 7 ).uncertanity=0.00000000052;
+ unit_data(3).name = "Bohr magneton";
+ unit_data(3).value = 927.400968e-26;
+ unit_data(3).uncertainty = 0.000020e-26;
+ unit_data(3).units = "J T^-1";
- unit_data( 8 ).name="ANGSTROM_STAR";
- unit_data( 8 ).description="Angstrom star";
- unit_data( 8 ).value=1.00001509e-10;
- unit_data( 8 ).units="m";
- unit_data( 8 ).uncertanity=0.00000090e-10;
+ unit_data(4).name = "Bohr magneton in Hz/T";
+ unit_data(4).value = 13.99624555e9;
+ unit_data(4).uncertainty = 0.00000031e9;
+ unit_data(4).units = "Hz T^-1";
- unit_data( 9 ).name="ATOMIC_MASS_CONSTANT";
- unit_data( 9 ).description="atomic mass constant";
- unit_data( 9 ).value=1.66053886e-27;
- unit_data( 9 ).units="kg";
- unit_data( 9 ).uncertanity=0.00000028e-27;
+ unit_data(5).name = "Bohr magneton in K/T";
+ unit_data(5).value = 0.67171388;
+ unit_data(5).uncertainty = 0.00000061;
+ unit_data(5).units = "K T^-1";
- unit_data( 10 ).name="ATOMIC_MASS_CONSTANT_ENERGY_EQUIVALENT";
- unit_data( 10 ).description="atomic mass constant energy equivalent";
- unit_data( 10 ).value=1.49241790e-10;
- unit_data( 10 ).units="J";
- unit_data( 10 ).uncertanity=0.00000026e-10;
+ unit_data(6).name = "Bohr magneton in eV/T";
+ unit_data(6).value = 5.7883818066e-5;
+ unit_data(6).uncertainty = 0.0000000038e-5;
+ unit_data(6).units = "eV T^-1";
- unit_data( 11 ).name="ATOMIC_MASS_CONSTANT_ENERGY_EQUIVALENT_IN_MEV";
- unit_data( 11 ).description="atomic mass constant energy equivalent in MeV";
- unit_data( 11 ).value=931.494043;
- unit_data( 11 ).units="MeV";
- unit_data( 11 ).uncertanity=0.000080;
+ unit_data(7).name = "Bohr magneton in inverse meters per tesla";
+ unit_data(7).value = 46.6864498;
+ unit_data(7).uncertainty = 0.0000010;
+ unit_data(7).units = "m^-1 T^-1";
- unit_data( 12 ).name="ATOMIC_MASS_UNIT_ELECTRON_VOLT";
- unit_data( 12 ).description="atomic mass unit-electron volt relationship";
- unit_data( 12 ).value=931.494043e6;
- unit_data( 12 ).units="eV";
- unit_data( 12 ).uncertanity=0.000080e6;
+ unit_data(8).name = "Bohr radius";
+ unit_data(8).value = 0.52917721092e-10;
+ unit_data(8).uncertainty = 0.00000000017e-10;
+ unit_data(8).units = "m";
- unit_data( 13 ).name="ATOMIC_MASS_UNIT_HARTREE";
- unit_data( 13 ).description="atomic mass unit-hartree relationship";
- unit_data( 13 ).value=3.423177686e7;
- unit_data( 13 ).units="E_h";
- unit_data( 13 ).uncertanity=0.000000023e7;
+ unit_data(9).name = "Boltzmann constant";
+ unit_data(9).value = 1.3806488e-23;
+ unit_data(9).uncertainty = 0.0000013e-23;
+ unit_data(9).units = "J K^-1";
- unit_data( 14 ).name="ATOMIC_MASS_UNIT_HERTZ";
- unit_data( 14 ).description="atomic mass unit-hertz relationship";
- unit_data( 14 ).value=2.252342718e23;
- unit_data( 14 ).units="Hz";
- unit_data( 14 ).uncertanity=0.000000015e23;
+ unit_data(10).name = "Boltzmann constant in Hz/K";
+ unit_data(10).value = 2.0836618e10;
+ unit_data(10).uncertainty = 0.0000019e10;
+ unit_data(10).units = "Hz K^-1";
- unit_data( 15 ).name="ATOMIC_MASS_UNIT_INVERSE_METER";
- unit_data( 15 ).description="atomic mass unit-inverse meter relationship";
- unit_data( 15 ).value=7.513006608e14;
- unit_data( 15 ).units="m^-1";
- unit_data( 15 ).uncertanity=0.000000050e14;
+ unit_data(11).name = "Boltzmann constant in eV/K";
+ unit_data(11).value = 8.6173324e-5;
+ unit_data(11).uncertainty = 0.0000078e-5;
+ unit_data(11).units = "eV K^-1";
- unit_data( 16 ).name="ATOMIC_MASS_UNIT_JOULE";
- unit_data( 16 ).description="atomic mass unit-joule relationship";
- unit_data( 16 ).value=1.49241790e-10;
- unit_data( 16 ).units="J";
- unit_data( 16 ).uncertanity=0.00000026e-10;
+ unit_data(12).name = "Boltzmann constant in inverse meters per kelvin";
+ unit_data(12).value = 69.503476;
+ unit_data(12).uncertainty = 0.000063;
+ unit_data(12).units = "m^-1 K^-1";
- unit_data( 17 ).name="ATOMIC_MASS_UNIT_KELVIN";
- unit_data( 17 ).description="atomic mass unit-kelvin relationship";
- unit_data( 17 ).value=1.0809527e13;
- unit_data( 17 ).units="K";
- unit_data( 17 ).uncertanity=0.0000019e13;
+ unit_data(13).name = "Compton wavelength";
+ unit_data(13).value = 2.4263102389e-12;
+ unit_data(13).uncertainty = 0.0000000016e-12;
+ unit_data(13).units = "m";
- unit_data( 18 ).name="ATOMIC_MASS_UNIT_KILOGRAM";
- unit_data( 18 ).description="atomic mass unit-kilogram relationship";
- unit_data( 18 ).value=1.66053886e-27;
- unit_data( 18 ).units="kg";
- unit_data( 18 ).uncertanity=0.00000028e-27;
+ unit_data(14).name = "Compton wavelength over 2 pi";
+ unit_data(14).value = 386.15926800e-15;
+ unit_data(14).uncertainty = 0.00000025e-15;
+ unit_data(14).units = "m";
- unit_data( 19 ).name="ATOMIC_UNIT_OF_1ST_HYPERPOLARIZABLITY";
- unit_data( 19 ).description="atomic unit of 1st hyperpolarizablity";
- unit_data( 19 ).value=3.20636151e-53;
- unit_data( 19 ).units="C^3 m^3 J^-2";
- unit_data( 19 ).uncertanity=0.00000028e-53;
+ unit_data(15).name = "Cu x unit";
+ unit_data(15).value = 1.00207697e-13;
+ unit_data(15).uncertainty = 0.00000028e-13;
+ unit_data(15).units = "m";
- unit_data( 20 ).name="ATOMIC_UNIT_OF_2ND_HYPERPOLARIZABLITY";
- unit_data( 20 ).description="atomic unit of 2nd hyperpolarizablity";
- unit_data( 20 ).value=6.2353808e-65;
- unit_data( 20 ).units="C^4 m^4 J^-3";
- unit_data( 20 ).uncertanity=0.0000011e-65;
+ unit_data(16).name = "Faraday constant";
+ unit_data(16).value = 96485.3365;
+ unit_data(16).uncertainty = 0.0021;
+ unit_data(16).units = "C mol^-1";
- unit_data( 21 ).name="ATOMIC_UNIT_OF_ACTION";
- unit_data( 21 ).description="atomic unit of action";
- unit_data( 21 ).value=1.05457168e-34;
- unit_data( 21 ).units="J s";
- unit_data( 21 ).uncertanity=0.00000018e-34;
+ unit_data(17).name = "Faraday constant for conventional electric current";
+ unit_data(17).value = 96485.3321;
+ unit_data(17).uncertainty = 0.0043;
+ unit_data(17).units = "C_90 mol^-1";
- unit_data( 22 ).name="ATOMIC_UNIT_OF_CHARGE";
- unit_data( 22 ).description="atomic unit of charge";
- unit_data( 22 ).value=1.60217653e-19;
- unit_data( 22 ).units="C";
- unit_data( 22 ).uncertanity=0.00000014e-19;
+ unit_data(18).name = "Fermi coupling constant";
+ unit_data(18).value = 1.166364e-5;
+ unit_data(18).uncertainty = 0.000005e-5;
+ unit_data(18).units = "GeV^-2";
- unit_data( 23 ).name="ATOMIC_UNIT_OF_CHARGE_DENSITY";
- unit_data( 23 ).description="atomic unit of charge density";
- unit_data( 23 ).value=1.081202317e12;
- unit_data( 23 ).units="C m^-3";
- unit_data( 23 ).uncertanity=0.000000093e12;
+ unit_data(19).name = "Hartree energy";
+ unit_data(19).value = 4.35974434e-18;
+ unit_data(19).uncertainty = 0.00000019e-18;
+ unit_data(19).units = "J";
- unit_data( 24 ).name="ATOMIC_UNIT_OF_CURRENT";
- unit_data( 24 ).description="atomic unit of current";
- unit_data( 24 ).value=6.62361782e-3;
- unit_data( 24 ).units="A";
- unit_data( 24 ).uncertanity=0.00000057e-3;
+ unit_data(20).name = "Hartree energy in eV";
+ unit_data(20).value = 27.21138505;
+ unit_data(20).uncertainty = 0.00000060;
+ unit_data(20).units = "eV";
- unit_data( 25 ).name="ATOMIC_UNIT_OF_ELECTRIC_DIPOLE_MOMENT";
- unit_data( 25 ).description="atomic unit of electric dipole moment";
- unit_data( 25 ).value=8.47835309e-30;
- unit_data( 25 ).units="C m";
- unit_data( 25 ).uncertanity=0.00000073e-30;
+ unit_data(21).name = "Josephson constant";
+ unit_data(21).value = 483597.870e9;
+ unit_data(21).uncertainty = 0.011e9;
+ unit_data(21).units = "Hz V^-1";
- unit_data( 26 ).name="ATOMIC_UNIT_OF_ELECTRIC_FIELD";
- unit_data( 26 ).description="atomic unit of electric field";
- unit_data( 26 ).value=5.14220642e11;
- unit_data( 26 ).units="V m^-1";
- unit_data( 26 ).uncertanity=0.00000044e11;
+ unit_data(22).name = "Loschmidt constant (273.15 K, 100 kPa)";
+ unit_data(22).value = 2.6516462e25;
+ unit_data(22).uncertainty = 0.0000024e25;
+ unit_data(22).units = "m^-3";
- unit_data( 27 ).name="ATOMIC_UNIT_OF_ELECTRIC_FIELD_GRADIENT";
- unit_data( 27 ).description="atomic unit of electric field gradient";
- unit_data( 27 ).value=9.71736182e21;
- unit_data( 27 ).units="V m^-2";
- unit_data( 27 ).uncertanity=0.00000083e21;
+ unit_data(23).name = "Loschmidt constant (273.15 K, 101.325 kPa)";
+ unit_data(23).value = 2.6867805e25;
+ unit_data(23).uncertainty = 0.0000024e25;
+ unit_data(23).units = "m^-3";
- unit_data( 28 ).name="ATOMIC_UNIT_OF_ELECTRIC_POLARIZABLITY";
- unit_data( 28 ).description="atomic unit of electric polarizablity";
- unit_data( 28 ).value=1.648777274e-41;
- unit_data( 28 ).units="C^2 m^2 J^-1";
- unit_data( 28 ).uncertanity=0.000000016e-41;
+ unit_data(24).name = "Mo x unit";
+ unit_data(24).value = 1.00209952e-13;
+ unit_data(24).uncertainty = 0.00000053e-13;
+ unit_data(24).units = "m";
- unit_data( 29 ).name="ATOMIC_UNIT_OF_ELECTRIC_POTENTIAL";
- unit_data( 29 ).description="atomic unit of electric potential";
- unit_data( 29 ).value=27.2113845;
- unit_data( 29 ).units="V";
- unit_data( 29 ).uncertanity=0.0000023;
+ unit_data(25).name = "Newtonian constant of gravitation";
+ unit_data(25).value = 6.67384e-11;
+ unit_data(25).uncertainty = 0.00080e-11;
+ unit_data(25).units = "m^3 kg^-1 s^-2";
- unit_data( 30 ).name="ATOMIC_UNIT_OF_ELECTRIC_QUADRUPOLE_MOMENT";
- unit_data( 30 ).description="atomic unit of electric quadrupole moment";
- unit_data( 30 ).value=4.48655124e-40;
- unit_data( 30 ).units="C m^2";
- unit_data( 30 ).uncertanity=0.00000039e-40;
+ unit_data(26).name = "Newtonian constant of gravitation over h-bar c";
+ unit_data(26).value = 6.70837e-39;
+ unit_data(26).uncertainty = 0.00080e-39;
+ unit_data(26).units = "(GeV/c^2)^-2";
- unit_data( 31 ).name="ATOMIC_UNIT_OF_ENERGY";
- unit_data( 31 ).description="atomic unit of energy";
- unit_data( 31 ).value=4.35974417e-18;
- unit_data( 31 ).units="J";
- unit_data( 31 ).uncertanity=0.00000075e-18;
+ unit_data(27).name = "Planck constant";
+ unit_data(27).value = 6.62606957e-34;
+ unit_data(27).uncertainty = 0.00000029e-34;
+ unit_data(27).units = "J s";
- unit_data( 32 ).name="ATOMIC_UNIT_OF_FORCE";
- unit_data( 32 ).description="atomic unit of force";
- unit_data( 32 ).value=8.2387225e-8;
- unit_data( 32 ).units="N";
- unit_data( 32 ).uncertanity=0.0000014e-8;
+ unit_data(28).name = "Planck constant in eV s";
+ unit_data(28).value = 4.135667516e-15;
+ unit_data(28).uncertainty = 0.000000091e-15;
+ unit_data(28).units = "eV s";
- unit_data( 33 ).name="ATOMIC_UNIT_OF_LENGTH";
- unit_data( 33 ).description="atomic unit of length";
- unit_data( 33 ).value=0.5291772108e-10;
- unit_data( 33 ).units="m";
- unit_data( 33 ).uncertanity=0.0000000018e-10;
+ unit_data(29).name = "Planck constant over 2 pi";
+ unit_data(29).value = 1.054571726e-34;
+ unit_data(29).uncertainty = 0.000000047e-34;
+ unit_data(29).units = "J s";
- unit_data( 34 ).name="ATOMIC_UNIT_OF_MAGNETIZABILITY";
- unit_data( 34 ).description="atomic unit of magnetizability";
- unit_data( 34 ).value=7.89103660e-29;
- unit_data( 34 ).units="J T^-2";
- unit_data( 34 ).uncertanity=0.00000013e-29;
+ unit_data(30).name = "Planck constant over 2 pi in eV s";
+ unit_data(30).value = 6.58211928e-16;
+ unit_data(30).uncertainty = 0.00000015e-16;
+ unit_data(30).units = "eV s";
- unit_data( 35 ).name="ATOMIC_UNIT_OF_MAGN_DIPOLE_MOMENT";
- unit_data( 35 ).description="atomic unit of magn. dipole moment";
- unit_data( 35 ).value=1.85480190e-23;
- unit_data( 35 ).units="J T^-1";
- unit_data( 35 ).uncertanity=0.00000016e-23;
+ unit_data(31).name = "Planck constant over 2 pi times c in MeV fm";
+ unit_data(31).value = 197.3269718;
+ unit_data(31).uncertainty = 0.0000044;
+ unit_data(31).units = "MeV fm";
- unit_data( 36 ).name="ATOMIC_UNIT_OF_MAGN_FLUX_DENSITY";
- unit_data( 36 ).description="atomic unit of magn. flux density";
- unit_data( 36 ).value=2.35051742e5;
- unit_data( 36 ).units="T";
- unit_data( 36 ).uncertanity=0.00000020e5;
+ unit_data(32).name = "Planck length";
+ unit_data(32).value = 1.616199e-35;
+ unit_data(32).uncertainty = 0.000097e-35;
+ unit_data(32).units = "m";
- unit_data( 37 ).name="ATOMIC_UNIT_OF_MASS";
- unit_data( 37 ).description="atomic unit of mass";
- unit_data( 37 ).value=9.1093826e-31;
- unit_data( 37 ).units="kg";
- unit_data( 37 ).uncertanity=0.0000016e-31;
+ unit_data(33).name = "Planck mass";
+ unit_data(33).value = 2.17651e-8;
+ unit_data(33).uncertainty = 0.00013e-8;
+ unit_data(33).units = "kg";
- unit_data( 38 ).name="ATOMIC_UNIT_OF_MOMENTUM";
- unit_data( 38 ).description="atomic unit of momentum";
- unit_data( 38 ).value=1.99285166e-24;
- unit_data( 38 ).units="kg m s^-1";
- unit_data( 38 ).uncertanity=0.00000034e-24;
+ unit_data(34).name = "Planck mass energy equivalent in GeV";
+ unit_data(34).value = 1.220932e19;
+ unit_data(34).uncertainty = 0.000073e19;
+ unit_data(34).units = "GeV";
- unit_data( 39 ).name="ATOMIC_UNIT_OF_PERMITTIVITY";
- unit_data( 39 ).description="atomic unit of permittivity";
- unit_data( 39 ).value=1.112650056e-10;
- unit_data( 39 ).units="F m^-1";
- unit_data( 39 ).uncertanity=0.0;
+ unit_data(35).name = "Planck temperature";
+ unit_data(35).value = 1.416833e32;
+ unit_data(35).uncertainty = 0.000085e32;
+ unit_data(35).units = "K";
- unit_data( 40 ).name="ATOMIC_UNIT_OF_TIME";
- unit_data( 40 ).description="atomic unit of time";
- unit_data( 40 ).value=2.418884326505e-17;
- unit_data( 40 ).units="s";
- unit_data( 40 ).uncertanity=0.000000000016e-17;
+ unit_data(36).name = "Planck time";
+ unit_data(36).value = 5.39106e-44;
+ unit_data(36).uncertainty = 0.00032e-44;
+ unit_data(36).units = "s";
- unit_data( 41 ).name="ATOMIC_UNIT_OF_VELOCITY";
- unit_data( 41 ).description="atomic unit of velocity";
- unit_data( 41 ).value=2.1876912633e6;
- unit_data( 41 ).units="m s^-1";
- unit_data( 41 ).uncertanity=0.0000000073e6;
+ unit_data(37).name = "Rydberg constant";
+ unit_data(37).value = 10973731.568539;
+ unit_data(37).uncertainty = 0.000055;
+ unit_data(37).units = "m^-1";
- unit_data( 42 ).name="AVOGADRO_CONSTANT";
- unit_data( 42 ).description="Avogadro constant";
- unit_data( 42 ).value=6.0221415e23;
- unit_data( 42 ).units="mol^-1";
- unit_data( 42 ).uncertanity=0.0000010e23;
+ unit_data(38).name = "Rydberg constant times c in Hz";
+ unit_data(38).value = 3.289841960364e15;
+ unit_data(38).uncertainty = 0.000000000017e15;
+ unit_data(38).units = "Hz";
- unit_data( 43 ).name="BOHR_MAGNETON";
- unit_data( 43 ).description="Bohr magneton";
- unit_data( 43 ).value=927.400949e-26;
- unit_data( 43 ).units="J T^-1";
- unit_data( 43 ).uncertanity=0.000080e-26;
+ unit_data(39).name = "Rydberg constant times hc in J";
+ unit_data(39).value = 2.179872171e-18;
+ unit_data(39).uncertainty = 0.000000096e-18;
+ unit_data(39).units = "J";
- unit_data( 44 ).name="BOHR_MAGNETON_IN_EV_PER_T";
- unit_data( 44 ).description="Bohr magneton in eV/T";
- unit_data( 44 ).value=5.788381804e-5;
- unit_data( 44 ).units="eV T^-1";
- unit_data( 44 ).uncertanity=0.000000039e-5;
+ unit_data(40).name = "Rydberg constant times hc in eV";
+ unit_data(40).value = 13.60569253;
+ unit_data(40).uncertainty = 0.00000030;
+ unit_data(40).units = "eV";
- unit_data( 45 ).name="BOHR_MAGNETON_IN_HZ_PER_T";
- unit_data( 45 ).description="Bohr magneton in Hz/T";
- unit_data( 45 ).value=13.9962458e9;
- unit_data( 45 ).units="Hz T^-1";
- unit_data( 45 ).uncertanity=0.0000012e9;
+ unit_data(41).name = "Sackur-Tetrode constant (1 K, 100 kPa)";
+ unit_data(41).value = -1.1517078;
+ unit_data(41).uncertainty = 0.0000023;
+ unit_data(41).units = "";
- unit_data( 46 ).name="BOHR_MAGNETON_IN_INVERSE_METERS_PER_TESLA";
- unit_data( 46 ).description="Bohr magneton in inverse meters per tesla";
- unit_data( 46 ).value=46.6864507;
- unit_data( 46 ).units="m^-1 T^-1";
- unit_data( 46 ).uncertanity=0.0000040;
+ unit_data(42).name = "Sackur-Tetrode constant (1 K, 101.325 kPa)";
+ unit_data(42).value = -1.1648708;
+ unit_data(42).uncertainty = 0.0000023;
+ unit_data(42).units = "";
- unit_data( 47 ).name="BOHR_MAGNETON_IN_K_PER_T";
- unit_data( 47 ).description="Bohr magneton in K/T";
- unit_data( 47 ).value=0.6717131;
- unit_data( 47 ).units="K T^-1";
- unit_data( 47 ).uncertanity=0.0000012;
+ unit_data(43).name = "Stefan-Boltzmann constant";
+ unit_data(43).value = 5.670373e-8;
+ unit_data(43).uncertainty = 0.000021e-8;
+ unit_data(43).units = "W m^-2 K^-4";
- unit_data( 48 ).name="BOHR_RADIUS";
- unit_data( 48 ).description="Bohr radius";
- unit_data( 48 ).value=0.5291772108e-10;
- unit_data( 48 ).units="m";
- unit_data( 48 ).uncertanity=0.0000000018e-10;
+ unit_data(44).name = "Thomson cross section";
+ unit_data(44).value = 0.6652458734e-28;
+ unit_data(44).uncertainty = 0.0000000013e-28;
+ unit_data(44).units = "m^2";
- unit_data( 49 ).name="BOLTZMANN_CONSTANT";
- unit_data( 49 ).description="Boltzmann constant";
- unit_data( 49 ).value=1.3806505e-23;
- unit_data( 49 ).units="J K^-1";
- unit_data( 49 ).uncertanity=0.0000024e-23;
+ unit_data(45).name = "Wien frequency displacement law constant";
+ unit_data(45).value = 5.8789254e10;
+ unit_data(45).uncertainty = 0.0000053e10;
+ unit_data(45).units = "Hz K^-1";
- unit_data( 50 ).name="BOLTZMANN_CONSTANT_IN_EV_PER_K";
- unit_data( 50 ).description="Boltzmann constant in eV/K";
- unit_data( 50 ).value=8.617343e-5;
- unit_data( 50 ).units="eV K^-1";
- unit_data( 50 ).uncertanity=0.000015e-5;
+ unit_data(46).name = "Wien wavelength displacement law constant";
+ unit_data(46).value = 2.8977721e-3;
+ unit_data(46).uncertainty = 0.0000026e-3;
+ unit_data(46).units = "m K";
- unit_data( 51 ).name="BOLTZMANN_CONSTANT_IN_HZ_PER_K";
- unit_data( 51 ).description="Boltzmann constant in Hz/K";
- unit_data( 51 ).value=2.0836644e10;
- unit_data( 51 ).units="Hz K^-1";
- unit_data( 51 ).uncertanity=0.0000036e10;
+ unit_data(47).name = "alpha particle mass";
+ unit_data(47).value = 6.64465675e-27;
+ unit_data(47).uncertainty = 0.00000029e-27;
+ unit_data(47).units = "kg";
- unit_data( 52 ).name="BOLTZMANN_CONSTANT_IN_INVERSE_METERS_PER_KELVIN";
- unit_data( 52 ).description="Boltzmann constant in inverse meters per kelvin";
- unit_data( 52 ).value=69.50356;
- unit_data( 52 ).units="m^-1 K^-1";
- unit_data( 52 ).uncertanity=0.00012;
+ unit_data(48).name = "alpha particle mass energy equivalent";
+ unit_data(48).value = 5.97191967e-10;
+ unit_data(48).uncertainty = 0.00000026e-10;
+ unit_data(48).units = "J";
- unit_data( 53 ).name="CHARACTERISTIC_IMPEDANCE_OF_VACUUM";
- unit_data( 53 ).description="characteristic impedance of vacuum";
- unit_data( 53 ).value=376.730313461;
- unit_data( 53 ).units="ohm";
- unit_data( 53 ).uncertanity=0.0;
+ unit_data(49).name = "alpha particle mass energy equivalent in MeV";
+ unit_data(49).value = 3727.379240;
+ unit_data(49).uncertainty = 0.000082;
+ unit_data(49).units = "MeV";
- unit_data( 54 ).name="CLASSICAL_ELECTRON_RADIUS";
- unit_data( 54 ).description="classical electron radius";
- unit_data( 54 ).value=2.817940325e-15;
- unit_data( 54 ).units="m";
- unit_data( 54 ).uncertanity=0.000000028e-15;
+ unit_data(50).name = "alpha particle mass in u";
+ unit_data(50).value = 4.001506179125;
+ unit_data(50).uncertainty = 0.000000000062;
+ unit_data(50).units = "u";
- unit_data( 55 ).name="COMPTON_WAVELENGTH";
- unit_data( 55 ).description="Compton wavelength";
- unit_data( 55 ).value=2.426310238e-12;
- unit_data( 55 ).units="m";
- unit_data( 55 ).uncertanity=0.000000016e-12;
+ unit_data(51).name = "alpha particle molar mass";
+ unit_data(51).value = 4.001506179125e-3;
+ unit_data(51).uncertainty = 0.000000000062e-3;
+ unit_data(51).units = "kg mol^-1";
- unit_data( 56 ).name="COMPTON_WAVELENGTH_BY_2_PI";
- unit_data( 56 ).description="Compton wavelength over 2 pi";
- unit_data( 56 ).value=386.1592678e-15;
- unit_data( 56 ).units="m";
- unit_data( 56 ).uncertanity=0.0000026e-15;
+ unit_data(52).name = "alpha particle-electron mass ratio";
+ unit_data(52).value = 7294.2995361;
+ unit_data(52).uncertainty = 0.0000029;
+ unit_data(52).units = "";
- unit_data( 57 ).name="CONDUCTANCE_QUANTUM";
- unit_data( 57 ).description="conductance quantum";
- unit_data( 57 ).value=7.748091733e-5;
- unit_data( 57 ).units="S";
- unit_data( 57 ).uncertanity=0.000000026e-5;
+ unit_data(53).name = "alpha particle-proton mass ratio";
+ unit_data(53).value = 3.97259968933;
+ unit_data(53).uncertainty = 0.00000000036;
+ unit_data(53).units = "";
- unit_data( 58 ).name="CONVENTIONAL_VALUE_OF_JOSEPHSON_CONSTANT";
- unit_data( 58 ).description="conventional value of Josephson constant";
- unit_data( 58 ).value=483597.9e9;
- unit_data( 58 ).units="Hz V^-1";
- unit_data( 58 ).uncertanity=0.0;
+ unit_data(54).name = "atomic mass constant";
+ unit_data(54).value = 1.660538921e-27;
+ unit_data(54).uncertainty = 0.000000073e-27;
+ unit_data(54).units = "kg";
- unit_data( 59 ).name="CONVENTIONAL_VALUE_OF_VON_KLITZING_CONSTANT";
- unit_data( 59 ).description="conventional value of von Klitzing constant";
- unit_data( 59 ).value=25812.807;
- unit_data( 59 ).units="ohm";
- unit_data( 59 ).uncertanity=0.0;
+ unit_data(55).name = "atomic mass constant energy equivalent";
+ unit_data(55).value = 1.492417954e-10;
+ unit_data(55).uncertainty = 0.000000066e-10;
+ unit_data(55).units = "J";
- unit_data( 60 ).name="CU_X_UNIT";
- unit_data( 60 ).description="Cu x unit";
- unit_data( 60 ).value=1.00207710e-13;
- unit_data( 60 ).units="m";
- unit_data( 60 ).uncertanity=0.00000029e-13;
+ unit_data(56).name = "atomic mass constant energy equivalent in MeV";
+ unit_data(56).value = 931.494061;
+ unit_data(56).uncertainty = 0.000021;
+ unit_data(56).units = "MeV";
- unit_data( 61 ).name="DEUTERON_ELECTRON_MAGN_MOMENT_RATIO";
- unit_data( 61 ).description="deuteron-electron magn. moment ratio";
- unit_data( 61 ).value=-4.664345548e-4;
- unit_data( 61 ).units="";
- unit_data( 61 ).uncertanity=0.000000050e-4;
+ unit_data(57).name = "atomic mass unit-electron volt relationship";
+ unit_data(57).value = 931.494061e6;
+ unit_data(57).uncertainty = 0.000021e6;
+ unit_data(57).units = "eV";
- unit_data( 62 ).name="DEUTERON_ELECTRON_MASS_RATIO";
- unit_data( 62 ).description="deuteron-electron mass ratio";
- unit_data( 62 ).value=3670.4829652;
- unit_data( 62 ).units="";
- unit_data( 62 ).uncertanity=0.0000018;
+ unit_data(58).name = "atomic mass unit-hartree relationship";
+ unit_data(58).value = 3.4231776845e7;
+ unit_data(58).uncertainty = 0.0000000024e7;
+ unit_data(58).units = "E_h";
- unit_data( 63 ).name="DEUTERON_MAGN_MOMENT";
- unit_data( 63 ).description="deuteron magn. moment";
- unit_data( 63 ).value=0.433073482e-26;
- unit_data( 63 ).units="J T^-1";
- unit_data( 63 ).uncertanity=0.000000038e-26;
+ unit_data(59).name = "atomic mass unit-hertz relationship";
+ unit_data(59).value = 2.2523427168e23;
+ unit_data(59).uncertainty = 0.0000000016e23;
+ unit_data(59).units = "Hz";
- unit_data( 64 ).name="DEUTERON_MAGN_MOMENT_TO_BOHR_MAGNETON_RATIO";
- unit_data( 64 ).description="deuteron magn. moment to Bohr magneton ratio";
- unit_data( 64 ).value=0.4669754567e-3;
- unit_data( 64 ).units="";
- unit_data( 64 ).uncertanity=0.0000000050e-3;
+ unit_data(60).name = "atomic mass unit-inverse meter relationship";
+ unit_data(60).value = 7.5130066042e14;
+ unit_data(60).uncertainty = 0.0000000053e14;
+ unit_data(60).units = "m^-1";
- unit_data( 65 ).name="DEUTERON_MAGN_MOMENT_TO_NUCLEAR_MAGNETON_RATIO";
- unit_data( 65 ).description="deuteron magn. moment to nuclear magneton ratio";
- unit_data( 65 ).value=0.8574382329;
- unit_data( 65 ).units="";
- unit_data( 65 ).uncertanity=0.0000000092;
+ unit_data(61).name = "atomic mass unit-joule relationship";
+ unit_data(61).value = 1.492417954e-10;
+ unit_data(61).uncertainty = 0.000000066e-10;
+ unit_data(61).units = "J";
- unit_data( 66 ).name="DEUTERON_MASS";
- unit_data( 66 ).description="deuteron mass";
- unit_data( 66 ).value=3.34358335e-27;
- unit_data( 66 ).units="kg";
- unit_data( 66 ).uncertanity=0.00000057e-27;
+ unit_data(62).name = "atomic mass unit-kelvin relationship";
+ unit_data(62).value = 1.08095408e13;
+ unit_data(62).uncertainty = 0.00000098e13;
+ unit_data(62).units = "K";
- unit_data( 67 ).name="DEUTERON_MASS_ENERGY_EQUIVALENT";
- unit_data( 67 ).description="deuteron mass energy equivalent";
- unit_data( 67 ).value=3.00506285e-10;
- unit_data( 67 ).units="J";
- unit_data( 67 ).uncertanity=0.00000051e-10;
+ unit_data(63).name = "atomic mass unit-kilogram relationship";
+ unit_data(63).value = 1.660538921e-27;
+ unit_data(63).uncertainty = 0.000000073e-27;
+ unit_data(63).units = "kg";
- unit_data( 68 ).name="DEUTERON_MASS_ENERGY_EQUIVALENT_IN_MEV";
- unit_data( 68 ).description="deuteron mass energy equivalent in MeV";
- unit_data( 68 ).value=1875.61282;
- unit_data( 68 ).units="MeV";
- unit_data( 68 ).uncertanity=0.00016;
+ unit_data(64).name = "atomic unit of 1st hyperpolarizability";
+ unit_data(64).value = 3.206361449e-53;
+ unit_data(64).uncertainty = 0.000000071e-53;
+ unit_data(64).units = "C^3 m^3 J^-2";
- unit_data( 69 ).name="DEUTERON_MASS_IN_U";
- unit_data( 69 ).description="deuteron mass in u";
- unit_data( 69 ).value=2.01355321270;
- unit_data( 69 ).units="u";
- unit_data( 69 ).uncertanity=0.00000000035;
+ unit_data(65).name = "atomic unit of 2nd hyperpolarizability";
+ unit_data(65).value = 6.23538054e-65;
+ unit_data(65).uncertainty = 0.00000028e-65;
+ unit_data(65).units = "C^4 m^4 J^-3";
- unit_data( 70 ).name="DEUTERON_MOLAR_MASS";
- unit_data( 70 ).description="deuteron molar mass";
- unit_data( 70 ).value=2.01355321270e-3;
- unit_data( 70 ).units="kg mol^-1";
- unit_data( 70 ).uncertanity=0.00000000035e-3;
+ unit_data(66).name = "atomic unit of action";
+ unit_data(66).value = 1.054571726e-34;
+ unit_data(66).uncertainty = 0.000000047e-34;
+ unit_data(66).units = "J s";
- unit_data( 71 ).name="DEUTERON_NEUTRON_MAGN_MOMENT_RATIO";
- unit_data( 71 ).description="deuteron-neutron magn. moment ratio";
- unit_data( 71 ).value=-0.44820652;
- unit_data( 71 ).units="";
- unit_data( 71 ).uncertanity=0.00000011;
+ unit_data(67).name = "atomic unit of charge";
+ unit_data(67).value = 1.602176565e-19;
+ unit_data(67).uncertainty = 0.000000035e-19;
+ unit_data(67).units = "C";
- unit_data( 72 ).name="DEUTERON_PROTON_MAGN_MOMENT_RATIO";
- unit_data( 72 ).description="deuteron-proton magn. moment ratio";
- unit_data( 72 ).value=0.3070122084;
- unit_data( 72 ).units="";
- unit_data( 72 ).uncertanity=0.0000000045;
+ unit_data(68).name = "atomic unit of charge density";
+ unit_data(68).value = 1.081202338e12;
+ unit_data(68).uncertainty = 0.000000024e12;
+ unit_data(68).units = "C m^-3";
- unit_data( 73 ).name="DEUTERON_PROTON_MASS_RATIO";
- unit_data( 73 ).description="deuteron-proton mass ratio";
- unit_data( 73 ).value=1.99900750082;
- unit_data( 73 ).units="";
- unit_data( 73 ).uncertanity=0.00000000041;
+ unit_data(69).name = "atomic unit of current";
+ unit_data(69).value = 6.62361795e-3;
+ unit_data(69).uncertainty = 0.00000015e-3;
+ unit_data(69).units = "A";
- unit_data( 74 ).name="DEUTERON_RMS_CHARGE_RADIUS";
- unit_data( 74 ).description="deuteron rms charge radius";
- unit_data( 74 ).value=2.1394e-15;
- unit_data( 74 ).units="m";
- unit_data( 74 ).uncertanity=0.0028e-15;
+ unit_data(70).name = "atomic unit of electric dipole mom.";
+ unit_data(70).value = 8.47835326e-30;
+ unit_data(70).uncertainty = 0.00000019e-30;
+ unit_data(70).units = "C m";
- unit_data( 75 ).name="ELECTRIC_CONSTANT";
- unit_data( 75 ).description="electric constant";
- unit_data( 75 ).value=8.854187817e-12;
- unit_data( 75 ).units="F m^-1";
- unit_data( 75 ).uncertanity=0.0;
+ unit_data(71).name = "atomic unit of electric field";
+ unit_data(71).value = 5.14220652e11;
+ unit_data(71).uncertainty = 0.00000011e11;
+ unit_data(71).units = "V m^-1";
- unit_data( 76 ).name="ELECTRON_CHARGE_TO_MASS_QUOTIENT";
- unit_data( 76 ).description="electron charge to mass quotient";
- unit_data( 76 ).value=-1.75882012e11;
- unit_data( 76 ).units="C kg^-1";
- unit_data( 76 ).uncertanity=0.00000015e11;
+ unit_data(72).name = "atomic unit of electric field gradient";
+ unit_data(72).value = 9.71736200e21;
+ unit_data(72).uncertainty = 0.00000021e21;
+ unit_data(72).units = "V m^-2";
- unit_data( 77 ).name="ELECTRON_DEUTERON_MAGN_MOMENT_RATIO";
- unit_data( 77 ).description="electron-deuteron magn. moment ratio";
- unit_data( 77 ).value=-2143.923493;
- unit_data( 77 ).units="";
- unit_data( 77 ).uncertanity=0.000023;
+ unit_data(73).name = "atomic unit of electric polarizability";
+ unit_data(73).value = 1.6487772754e-41;
+ unit_data(73).uncertainty = 0.0000000016e-41;
+ unit_data(73).units = "C^2 m^2 J^-1";
- unit_data( 78 ).name="ELECTRON_DEUTERON_MASS_RATIO";
- unit_data( 78 ).description="electron-deuteron mass ratio";
- unit_data( 78 ).value=2.7244371095e-4;
- unit_data( 78 ).units="";
- unit_data( 78 ).uncertanity=0.0000000013e-4;
+ unit_data(74).name = "atomic unit of electric potential";
+ unit_data(74).value = 27.21138505;
+ unit_data(74).uncertainty = 0.00000060;
+ unit_data(74).units = "V";
- unit_data( 79 ).name="ELECTRON_GYROMAGN_RATIO";
- unit_data( 79 ).description="electron gyromagn. ratio";
- unit_data( 79 ).value=1.76085974e11;
- unit_data( 79 ).units="s^-1 T^-1";
- unit_data( 79 ).uncertanity=0.00000015e11;
+ unit_data(75).name = "atomic unit of electric quadrupole mom.";
+ unit_data(75).value = 4.486551331e-40;
+ unit_data(75).uncertainty = 0.000000099e-40;
+ unit_data(75).units = "C m^2";
- unit_data( 80 ).name="ELECTRON_GYROMAGN_RATIO_BY_2_PI";
- unit_data( 80 ).description="electron gyromagn. ratio over 2 pi";
- unit_data( 80 ).value=28024.9532;
- unit_data( 80 ).units="MHz T^-1";
- unit_data( 80 ).uncertanity=0.0024;
+ unit_data(76).name = "atomic unit of energy";
+ unit_data(76).value = 4.35974434e-18;
+ unit_data(76).uncertainty = 0.00000019e-18;
+ unit_data(76).units = "J";
- unit_data( 81 ).name="ELECTRON_G_FACTOR";
- unit_data( 81 ).description="electron g factor";
- unit_data( 81 ).value=-2.0023193043718;
- unit_data( 81 ).units="";
- unit_data( 81 ).uncertanity=0.0000000000075;
+ unit_data(77).name = "atomic unit of force";
+ unit_data(77).value = 8.23872278e-8;
+ unit_data(77).uncertainty = 0.00000036e-8;
+ unit_data(77).units = "N";
- unit_data( 82 ).name="ELECTRON_MAGN_MOMENT";
- unit_data( 82 ).description="electron magn. moment";
- unit_data( 82 ).value=-928.476412e-26;
- unit_data( 82 ).units="J T^-1";
- unit_data( 82 ).uncertanity=0.000080e-26;
+ unit_data(78).name = "atomic unit of length";
+ unit_data(78).value = 0.52917721092e-10;
+ unit_data(78).uncertainty = 0.00000000017e-10;
+ unit_data(78).units = "m";
- unit_data( 83 ).name="ELECTRON_MAGN_MOMENT_ANOMALY";
- unit_data( 83 ).description="electron magn. moment anomaly";
- unit_data( 83 ).value=1.1596521859e-3;
- unit_data( 83 ).units="";
- unit_data( 83 ).uncertanity=0.0000000038e-3;
+ unit_data(79).name = "atomic unit of mag. dipole mom.";
+ unit_data(79).value = 1.854801936e-23;
+ unit_data(79).uncertainty = 0.000000041e-23;
+ unit_data(79).units = "J T^-1";
- unit_data( 84 ).name="ELECTRON_MAGN_MOMENT_TO_BOHR_MAGNETON_RATIO";
- unit_data( 84 ).description="electron magn. moment to Bohr magneton ratio";
- unit_data( 84 ).value=-1.0011596521859;
- unit_data( 84 ).units="";
- unit_data( 84 ).uncertanity=0.0000000000038;
+ unit_data(80).name = "atomic unit of mag. flux density";
+ unit_data(80).value = 2.350517464e5;
+ unit_data(80).uncertainty = 0.000000052e5;
+ unit_data(80).units = "T";
- unit_data( 85 ).name="ELECTRON_MAGN_MOMENT_TO_NUCLEAR_MAGNETON_RATIO";
- unit_data( 85 ).description="electron magn. moment to nuclear magneton ratio";
- unit_data( 85 ).value=-1838.28197107;
- unit_data( 85 ).units="";
- unit_data( 85 ).uncertanity=0.00000085;
+ unit_data(81).name = "atomic unit of magnetizability";
+ unit_data(81).value = 7.891036607e-29;
+ unit_data(81).uncertainty = 0.000000013e-29;
+ unit_data(81).units = "J T^-2";
- unit_data( 86 ).name="ELECTRON_MASS";
- unit_data( 86 ).description="electron mass";
- unit_data( 86 ).value=9.1093826e-31;
- unit_data( 86 ).units="kg";
- unit_data( 86 ).uncertanity=0.0000016e-31;
+ unit_data(82).name = "atomic unit of mass";
+ unit_data(82).value = 9.10938291e-31;
+ unit_data(82).uncertainty = 0.00000040e-31;
+ unit_data(82).units = "kg";
- unit_data( 87 ).name="ELECTRON_MASS_ENERGY_EQUIVALENT";
- unit_data( 87 ).description="electron mass energy equivalent";
- unit_data( 87 ).value=8.1871047e-14;
- unit_data( 87 ).units="J";
- unit_data( 87 ).uncertanity=0.0000014e-14;
+ unit_data(83).name = "atomic unit of mom.um";
+ unit_data(83).value = 1.992851740e-24;
+ unit_data(83).uncertainty = 0.000000088e-24;
+ unit_data(83).units = "kg m s^-1";
- unit_data( 88 ).name="ELECTRON_MASS_ENERGY_EQUIVALENT_IN_MEV";
- unit_data( 88 ).description="electron mass energy equivalent in MeV";
- unit_data( 88 ).value=0.510998918;
- unit_data( 88 ).units="MeV";
- unit_data( 88 ).uncertanity=0.000000044;
+ unit_data(84).name = "atomic unit of permittivity";
+ unit_data(84).value = 1.112650056e-10;
+ unit_data(84).uncertainty = 0.0;
+ unit_data(84).units = "F m^-1";
- unit_data( 89 ).name="ELECTRON_MASS_IN_U";
- unit_data( 89 ).description="electron mass in u";
- unit_data( 89 ).value=5.4857990945e-4;
- unit_data( 89 ).units="u";
- unit_data( 89 ).uncertanity=0.0000000024e-4;
+ unit_data(85).name = "atomic unit of time";
+ unit_data(85).value = 2.418884326502e-17;
+ unit_data(85).uncertainty = 0.000000000012e-17;
+ unit_data(85).units = "s";
- unit_data( 90 ).name="ELECTRON_MOLAR_MASS";
- unit_data( 90 ).description="electron molar mass";
- unit_data( 90 ).value=5.4857990945e-7;
- unit_data( 90 ).units="kg mol^-1";
- unit_data( 90 ).uncertanity=0.0000000024e-7;
+ unit_data(86).name = "atomic unit of velocity";
+ unit_data(86).value = 2.18769126379e6;
+ unit_data(86).uncertainty = 0.00000000071e6;
+ unit_data(86).units = "m s^-1";
- unit_data( 91 ).name="ELECTRON_MUON_MAGN_MOMENT_RATIO";
- unit_data( 91 ).description="electron-muon magn. moment ratio";
- unit_data( 91 ).value=206.7669894;
- unit_data( 91 ).units="";
- unit_data( 91 ).uncertanity=0.0000054;
+ unit_data(87).name = "characteristic impedance of vacuum";
+ unit_data(87).value = 376.730313461;
+ unit_data(87).uncertainty = 0.0;
+ unit_data(87).units = "ohm";
- unit_data( 92 ).name="ELECTRON_MUON_MASS_RATIO";
- unit_data( 92 ).description="electron-muon mass ratio";
- unit_data( 92 ).value=4.83633167e-3;
- unit_data( 92 ).units="";
- unit_data( 92 ).uncertanity=0.00000013e-3;
+ unit_data(88).name = "classical electron radius";
+ unit_data(88).value = 2.8179403267e-15;
+ unit_data(88).uncertainty = 0.0000000027e-15;
+ unit_data(88).units = "m";
- unit_data( 93 ).name="ELECTRON_NEUTRON_MAGN_MOMENT_RATIO";
- unit_data( 93 ).description="electron-neutron magn. moment ratio";
- unit_data( 93 ).value=960.92050;
- unit_data( 93 ).units="";
- unit_data( 93 ).uncertanity=0.00023;
+ unit_data(89).name = "conductance quantum";
+ unit_data(89).value = 7.7480917346e-5;
+ unit_data(89).uncertainty = 0.0000000025e-5;
+ unit_data(89).units = "S";
- unit_data( 94 ).name="ELECTRON_NEUTRON_MASS_RATIO";
- unit_data( 94 ).description="electron-neutron mass ratio";
- unit_data( 94 ).value=5.4386734481e-4;
- unit_data( 94 ).units="";
- unit_data( 94 ).uncertanity=0.0000000038e-4;
+ unit_data(90).name = "conventional value of Josephson constant";
+ unit_data(90).value = 483597.9e9;
+ unit_data(90).uncertainty = 0.0;
+ unit_data(90).units = "Hz V^-1";
- unit_data( 95 ).name="ELECTRON_PROTON_MAGN_MOMENT_RATIO";
- unit_data( 95 ).description="electron-proton magn. moment ratio";
- unit_data( 95 ).value=-658.2106862;
- unit_data( 95 ).units="";
- unit_data( 95 ).uncertanity=0.0000066;
+ unit_data(91).name = "conventional value of von Klitzing constant";
+ unit_data(91).value = 25812.807;
+ unit_data(91).uncertainty = 0.0;
+ unit_data(91).units = "ohm";
- unit_data( 96 ).name="ELECTRON_PROTON_MASS_RATIO";
- unit_data( 96 ).description="electron-proton mass ratio";
- unit_data( 96 ).value=5.4461702173e-4;
- unit_data( 96 ).units="";
- unit_data( 96 ).uncertanity=0.0000000025e-4;
+ unit_data(92).name = "deuteron g factor";
+ unit_data(92).value = 0.8574382308;
+ unit_data(92).uncertainty = 0.0000000072;
+ unit_data(92).units = "";
- unit_data( 97 ).name="ELECTRON_TAU_MASS_RATIO";
- unit_data( 97 ).description="electron-tau mass ratio";
- unit_data( 97 ).value=2.87564e-4;
- unit_data( 97 ).units="";
- unit_data( 97 ).uncertanity=0.00047e-4;
+ unit_data(93).name = "deuteron mag. mom.";
+ unit_data(93).value = 0.433073489e-26;
+ unit_data(93).uncertainty = 0.000000010e-26;
+ unit_data(93).units = "J T^-1";
- unit_data( 98 ).name="ELECTRON_TO_ALPHA_PARTICLE_MASS_RATIO";
- unit_data( 98 ).description="electron to alpha particle mass ratio";
- unit_data( 98 ).value=1.37093355575e-4;
- unit_data( 98 ).units="";
- unit_data( 98 ).uncertanity=0.00000000061e-4;
+ unit_data(94).name = "deuteron mag. mom. to Bohr magneton ratio";
+ unit_data(94).value = 0.4669754556e-3;
+ unit_data(94).uncertainty = 0.0000000039e-3;
+ unit_data(94).units = "";
- unit_data( 99 ).name="ELECTRON_TO_SHIELDED_HELION_MAGN_MOMENT_RATIO";
- unit_data( 99 ).description="electron to shielded helion magn. moment ratio";
- unit_data( 99 ).value=864.058255;
- unit_data( 99 ).units="";
- unit_data( 99 ).uncertanity=0.000010;
+ unit_data(95).name = "deuteron mag. mom. to nuclear magneton ratio";
+ unit_data(95).value = 0.8574382308;
+ unit_data(95).uncertainty = 0.0000000072;
+ unit_data(95).units = "";
- unit_data( 100 ).name="ELECTRON_TO_SHIELDED_PROTON_MAGN_MOMENT_RATIO";
- unit_data( 100 ).description="electron to shielded proton magn. moment ratio";
- unit_data( 100 ).value=-658.2275956;...
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