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Evaluating the performance of DFT methods in electric property calculations: sodium chloride as a test case

Authors Maroulis G

Received 26 February 2013

Accepted for publication 16 April 2013

Published 11 July 2013 Volume 2013:2 Pages 1—8


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

George Maroulis

Department of Chemistry, University of Patras, Patras, Greece

We present a quantitative analysis of the performance of conventional ab initio and density functional theory (DFT) methods. The important NaCl diatomic is chosen as testing ground. The analysis relies on metric considerations and pattern recognition techniques. Taking into account a collection of ab initio methods A = {SCF, MP2, CCSD} and DFT = {B3LYP, B3PW91, mPW1PW91, mPW1PBE, PBEPW91, BHandH, BHandHLYP, HCTC}, we find that the DFT method most close to CCSD is BHandHLYP. The DFT method closest to the collection of ab initio methods is BHandHLYP.

Keywords: ab initio, density functional theory, electric properties

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