VIBRONIC INTERACTIONS IN THE $^{3} U$ ($n\pi^{*}$) $\leftarrow$ $S_{o}$ PHOSPHORESCENCE OF $BENZALDEHYDE^{*}$

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1971

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Ohio State University

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The fine vibronic structure of benzaldehyde phosphorescence was observed in close packing matrices at 4.2 K and analyzed almost completely. The lifetimes were also measured at 4.2 K and 1.68 K. The results are: (1) the 3U−1So transition obtains a large part of its probability vibronically from the 1U−So transition via a^{\prime\prime} nontotally symmetric vibrations; (2) the coupling scheme is discussed. Deuteration effects confirm the large vibronic contribution to the probability.

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∗Supported by National Science Foundation Grant GP 6301X.


Author Institution: School of Chemistry, Rutgers University

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http://hdl.handle.net/1811/8833

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1970-1979