A unified scheme for the calculation of differentiated and undifferentiated molecular integrals over solid-harmonic Gaussians
β Scribed by Reine, Simen; Tellgren, Erik; Helgaker, Trygve
- Book ID
- 118116141
- Publisher
- Royal Society of Chemistry
- Year
- 2007
- Tongue
- English
- Weight
- 195 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1463-9076
- DOI
- 10.1039/b705594c
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## Abstract We propose a unified procedure for evaluating a variety of oneβelectron integrals and their (arbitraryβorder) geometric derivatives by using a generalized oneβelectron operator, which is formed as the product of four operators: (1) a scalar depending on the displacement of the two basis
Using expansion formulas for the charge-density over Slater-type orbitals (STOs) obtained by the one of authors [I. I. Guseinov, J Mol Struct (Theochem) 1997, 417, 117] the multicenter molecular integrals with an arbitrary multielectron operator are expressed in terms of the overlap integrals with t
The multicenter charge-density expansion coefficients [I. I. Guseinov, J Mol Struct (Theochem) 417, 117 (1997)] appearing in the molecular integrals with an arbitrary multielectron operator were calculated for extremely large quantum numbers of Slater-type orbitals (STOs). As an example, using compu