Dear All, I am doing geometry optimisation of a small metabolite and end up with a minimum of Energy = -2.19629109 kJ/mol. All my other calculations have given positive energies, so I am a little surprised. Is this a valid result or could it be a bug? Thanks, PJ _________________________________________________________________ Don’t just search. Find. Check out the new MSN Search! http://search.msn.click-url.com/go/onm00200636ave/direct/01/