On Tue, 15 Nov 2005, Geoffrey Hutchison wrote: > I use Ghemical a lot when I'm developing and debugging Open Babel. One of the > new formats I added (PCModel) incorporates explicit lone-pair electron sites, > which translate as dummy atoms. But Ghemical currently doesn't know what to > do with dummy atoms -- it shows them as these brown spheres and it kills > geometry optimizations, energies, etc. ... > > Should I change the Ghemical output code for Open Babel to ignore dummy > atoms? Yes, it is always OK to ignore the dummy atoms. Regards, Tommi