Re: CCL:Quantum Biochemistry activities and meetings



On May 8, 2005, at 12:16 PM, may abdelghani wrote:

dear CCL's
if we change the frozen core electron for a given
atom in the input files to optimize a given geometry
ander DFT calculation, will this affect the resultat.
best regards

If using ADF, then not that much, see:

M. Swart, J.G. Snijders
"Accuracy of geometries: Influence of basis set, exchange-correlation potential, inclusion of core electrons, and relativistic corrections"
Theor. Chem. Acc., 110 (2003), p. 34-41

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<x-tad-bigger>dr. Marcel Swart
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<x-tad-smaller>Theoretische Chemie
Vrije Universiteit Amsterdam
Faculteit der Exacte Wetenschappen

De Boelelaan 1083
1081 HV Amsterdam
The Netherlands

Tel +31-(0)20-5987619
Fax +31-(0)20-5987629
E-mail m.swart [] few.vu.nl
Web http://www.few.vu.nl/~swart
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