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Gaussian-Type Functions for Polyatomic Systems. I

Huzinaga, Sigeru·1965·The Journal of Chemical Physics

Abstract

In view of rapid progress of computer capability, it is very desirable to have a reliable assessment of the usefulness of Gaussian-type orbitals as basis functions for large-scale molecular calculations. In the present paper several attempts are made to answer this question mainly at the level of atomic Hartree—Fock calculations. The necessary number of terms of Gaussian-type basis functions in the analytical Hartree—Fock expansion calculation is apparently more than twice as much as the number of terms needed in the expansion with Slater-type basis functions. However, this fact does not necessarily suggest a definite choice of Slater-type orbitals. Discussions pertinent to this point are presented in the latter part of the present paper.

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Authors
Huzinaga, S.
Venue
The Journal of Chemical Physics
Published
1965-02-15
Volume
42
Issue
4
Pages
1293-1302
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W4230151690
Cited by
4,969
References
0
FWCI
14.37
Type
journal article
Language
en
Open access
closed

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