Vibronic effects in porphyrin optical-absorption band splitting

S. S. Stavrov

doi:10.1007/BF00534606

Vibronic effects in porphyrin optical-absorption band splitting

Research output: Contribution to journal › Article › peer-review

Abstract

A four-orbital model is applied to the joint effects from an external field, sym-metry b_1g, and vibronic interaction showing displacement with the same symmetry on the forms of the adiabatic potentials for the B and Q metal-porphyrin states. The high-symmetry nuclear configurtion in state Q is distorted more than that in state B, which explains the substantially larger splitting for the Q band by comparison with B in the presence of low-symmetry substituents and/or external fields, as well as why the splitting is dependent on the metal.

Original language	English
Pages (from-to)	647-652
Number of pages	6
Journal	Theoretical and Experimental Chemistry
Volume	23
Issue number	6
DOIs	https://doi.org/10.1007/BF00534606
State	Published - Nov 1988
Externally published	Yes

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Vibronic effects in porphyrin optical-absorption band splitting

Abstract

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