Properties of the self-consistent field treatment of conjugated molecules
- 1 September 1960
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 3 (5) , 495-509
- https://doi.org/10.1080/00268976000100531
Abstract
The polarizability properties of π electron systems are treated by the self-consistent field method, as modified by Pople for application to conjugated molecules. An analytical treatment of the π electron configuration of substituted hydrocarbons deduces certain universal symmetry properties of this method, and contains the Hückel treatment of inductive substituents as a simplified special case. Whereas the usual Hückel theory derives results by approximate perturbation methods, the treatment given here is formally exact. In a later section s.c.f. polarizability coefficients, as calculated on an Elliott 402 digital computer, are given for benzene, naphthalene, anthracene and phenanthrene, and the predictions of chemical properties are shown to be in better agreement with experiment than predictions derived from Hückel theory.Keywords
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