Evaluations of two-center integrals using α-functions
✍ Scribed by R. R. Sharma
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- English
- Weight
- 106 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0020-7608
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📜 SIMILAR VOLUMES
## Abstract For the general two‐electron two‐center integral over Slater functions, use of the Neumann expansion for the electron‐electron interaction term yields the standard auxiliary functions. These are expanded and integrated explicitly by two independent methods. The resulting simple analytic
A Gaussian quadrature formula for hypersingular integrals with second-order singularities is developed based on previous Gaussian quadrature formulae for Cauchy principal value integrals. The formula uses classical orthonormal polynomials, and the formula is then specialized to the case of Legendre