Pedro Silva
pedros@ufp.edu.pt
>The problem with this input is as follows:
>the extra option expects that new basis functions are added at
>the end of the old basis set of a selected atom. Unfortunately this is
>not necessary the case. Indeed, for
I think there is also some other problem, directly related to the call of Dnh 3: when I tried to run that input with guess=huckel I observed wild and no SCF oscillation and no convergence. The problem completely disappeared when I experimented with the same molecule in C1 (while keeping everything else equal)
pedro