In the multiplicative integral approximation (MIA), two-electron integrals are evaluated using an expansion of a product of two Gaussians in terms of auxiliary functions. An estimator of the error introduced by the approximation is incorporated in the self-consistent field (SCF) calculations and the
✦ LIBER ✦
On the possibility of improving the integral evaluation section in ab initio Hartree–Fock calculations on large molecules
✍ Scribed by Gunnar Karlström
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 323 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0192-8651
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
A modified integral package for evaluation of two‐electron integrals over Gaussian basis functions is described. Modifications are implemented in the MOLECULE program system and are especially suited for the study of large molecules and molecular complexes.
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