The molecular orbital viewer crashes on certain conditions. One of this condition is a pure atom without other atoms present. Consider this example of a simple hydrogen atom .fchk -> crash on every calculation
At the moment, Avogadro v1 doesn't support open shell calculations anyway. The current version doesn't crash, but it also doesn't load the file.
At the moment, Avogadro v1 doesn't support open shell calculations anyway. The current version doesn't crash, but it also doesn't load the file.