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Corrected small basis set Hartree‐Fock method for large systems

Sure, Rebecca, Grimme, Stefan·2013·Journal of Computational Chemistry

Abstract

A quantum chemical method based on a Hartree‐Fock calculation with a small Gaussian AO basis set is presented. Its main area of application is the computation of structures, vibrational frequencies, and noncovalent interaction energies in huge molecular systems. The method is suggested as a partial replacement of semiempirical approaches or density functional theory (DFT) in particular when self‐interaction errors are acute. In order to get accurate results three physically plausible atom pair‐wise correction terms are applied for London dispersion interactions (D3 scheme), basis set superposition error (gCP scheme), and short‐ranged basis set incompleteness effects. In total nine global empirical parameters are used. This so‐called Hartee‐Fock‐3c (HF‐3c) method is tested for geometries of small organic molecules, interaction energies and geometries of noncovalently bound complexes, for supramolecular systems, and protein structures. In the majority of realistic test cases good results approaching large basis set DFT quality are obtained at a tiny fraction of computational cost. © 2013 Wiley Periodicals, Inc.

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Metadata

Authors
Sure, R., & Grimme, S.
Venue
Journal of Computational Chemistry
Publisher
Wiley
Published
2013-05-14
Volume
34
Issue
19
Pages
1672-1685
ISSN
  • 0192-8651 (ISSN-L)
  • 1096-987X
OpenAlex
W2111533830
Cited by
513
References
4
FWCI
11.99
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Corrected small basis set Hartree‐Fock method for large systems. https://app.cochat.ai/papers/10.1002/jcc.23317
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Sure, R., & Grimme, S. (2013). Corrected small basis set Hartree‐Fock method for large systems. Journal of Computational Chemistry. https://doi.org/10.1002/jcc.23317

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