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Proceedings Paper

Resonance Raman studies of benzene derivatives with strong conjugation
Author(s): Horst Lueck; Bruce S. Hudson; Marek Z. Zgierski
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Paper Abstract

Resonance Raman spectroscopy under conditions of resonance with the B1u state of benzene exhibits strong binary overtone activity due to the vibronic activity of the e2g vibrations, especially (nu) g. Resonance with the analogous La state of benzene derivatives exhibits activity in both the fundamental and two-quantum overtone of this mode in a fashion that reflects the relative amounts of vibronic and substituent induced allowed character of the electronic transition. The Raman spectra can be used to test simple perturbative ideas concerning inductive effects originally proposed by Petruska. In this work we describe recent theoretical and experimental studies of such effects. The theory includes the Jahn-Teller and pseudo-Jahn-Teller effects in a non-perturbative fashion. The experiments are aimed at determining what happens when the interaction of the substituent with the benzene (pi) -electron system is strong so that perturbative arguments are no longer expected to apply.

Paper Details

Date Published: 18 September 1995
PDF: 9 pages
Proc. SPIE 2548, Laser Techniques for State-Selected and State-to-State Chemistry III, (18 September 1995); doi: 10.1117/12.220861
Show Author Affiliations
Horst Lueck, Univ. of Oregon (United States)
Bruce S. Hudson, Univ. of Oregon (United States)
Marek Z. Zgierski, National Research Council Canada (Canada)

Published in SPIE Proceedings Vol. 2548:
Laser Techniques for State-Selected and State-to-State Chemistry III
John W. Hepburn, Editor(s)

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