## Title of version: SYMMET version 2 Nature of physical problem The group theory is used for the classification of the electron Catalogue number: ABRA states of molecules and the transformation of the matrix eigenvalue problem to a quasidiagonal form. If the p-basis on Program obtainable from: CP
Generation of symmetry-adapted functions for molecular calculations
✍ Scribed by Lubomír Skála
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 432 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0010-4655
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📜 SIMILAR VOLUMES
The generalized version of the symmetry adapted cluster theory (GSAC) which has been developed recently is nearly sizeconsistent and applicable to general classes of nonclosed-shell systems. The generality and the accuracy of the method have been tested for the symmetric dissociation of H,O. The ele
Symmclry-adapted pcrlurbntion theories published so far are criticised. I<stra conditions imposed in most of these formalisms arc found to be not al.,~ays physically adcquatz. N'e conclude that the form&m proposed by Hirschfclder 2nd Silbey is ihc mosl appropriate.
The product of two Gaussians having different centers is itself a one-center Gaussian, thus multicenter integrals with a Cartesian Gaussian basis can be reduced to one-center integrals. Recurrence relations for overlap integrals and Ž . electron repulsion integrals ERIs are derived at these centers.