Abstract
Based on the scattered-wave formalism the one-electron integrals have been investigated. It could be demonstrated that the integrals of the spheric-symmetrical regions can be determined conveniently. Caused by the complicated geometrical shape the contribution of the interatomic region to this integral was difficult to determine. A surface integral expression has been obtained as the solution which exact calculation will be very complicated and time consuming. Therefore a ZDO-analogous approximations are considered. By this means a formalism was derived which can be further reduced (simplified) and analysed relatively easily if a concrete operator is known.
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Mientus, W., Haberditzl, W., Bartel, HG. et al. Die Berechnung von Einelektronen-Integralen in der SCF-Xα-SW-Methode: II. Einelektronen-Eigenschaften. Monatshefte für Chemie 112, 429–435 (1981). https://doi.org/10.1007/BF00901821
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DOI: https://doi.org/10.1007/BF00901821