The attached Molden format file cannot be read by Open Babel 2.3.2 but only with the older Open Babel 2.2.3
babel -V
Open Babel 2.2.3 -- Jul 23 2010 -- 07:24:53
babel -imolden qchem.mld -osmi
[nH]1cccc1babel -V
Open Babel 2.3.2 -- Oct 28 2014 -- 02:30:41
babel -imolden qchem.mld -osmi
..............................................................................................[H].[H].[H].[H].[H].[H]
Thanks!