Quantum Mechanics of Mobile Electrons in Conjugated Bond Systems. II. Augmented Tight-Binding Formulation

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Abstract
The analysis of homonuclear conjugated systems, which has been given within the limits of the tight‐binding approximation in the first paper of this series, is extended to include the interactions between non‐neighbor atoms and the variation in the interactions between neighbor atoms. Both kinds of interactions are included as perturbation effects on the tight‐binding approximation. As a consequence, the formalism developed for the latter is not being complicated and the interpretations remain unchanged. Application to benzene and naphthalene illustrates the approach.

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