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J Chem Phys. 2008 Feb 28;128(8):084106. doi: 10.1063/1.2834918.

Systematic optimization of long-range corrected hybrid density functionals.

Author information

  • 1Department of Chemistry, University of California and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA. jdchai@berkeley.edu

Abstract

A general scheme for systematically modeling long-range corrected (LC) hybrid density functionals is proposed. Our resulting two LC hybrid functionals are shown to be accurate in thermochemistry, kinetics, and noncovalent interactions, when compared with common hybrid density functionals. The qualitative failures of the commonly used hybrid density functionals in some "difficult problems," such as dissociation of symmetric radical cations and long-range charge-transfer excitations, are significantly reduced by the present LC hybrid density functionals.

PMID:
18315032
[PubMed]
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