THE $S_{1} \leftarrow S_{0}$ FLUORESCENCE EXCITATION SPECTRA OF ANISOLE AND STYRENE UING HIGH RESOLUTION TECHNIQUES
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Date
1997
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Ohio State University
Abstract
Anisole (methoxybenzene) and styrene (vinylbenzene) are similar chemical species. However, their electronic strucures are very different. In this report, we describe the rotationally resolved fluorescence excitation spectra of the $S_{1} \leftarrow S_{u}$ origin bands of anisole and styrene. Both spectra are similar in overall appearance. However, a detailed analysis of the two spectra shows that the $S_{1} \leftarrow S_{0}$ optical transition moments have quite different orientations in the respective molecular frames. The results will be interpreted in the framework of a state-mixing model for the $S_{1}$ states of the two molecules.
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Author Institution: Department of Chemistry, University of Pittsburgh