PC GAMESS-related discussion club


Selection of basis set

Mahesh Bhatt
mbhatt54@yahoo.com


Dear all
I performed various calculations using different metals like Ca, Mg, Al, Ag and Au with organic molecules
attached to them. I have used N Gauss and a basis set MINI, because when I used 6-31G or 6-311G, the pcgamess gave the warning that illegal extended basis sets requested. As a result, the calculation was abnormally stopped. In such a case, which basis set in pcgamess can be used? Does B3LYP5 with MINI basis set give accurate calculation for organic molecule adsorbed on metal Ca, Mg, Al, Ag and Au 111 surfaces?
thanks a lot
Mahesh Bhatt
University of Tsukuba
Japan
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