STATE-TO-FIELD VIBRATIONAL ENERGY TRANSFER FROM $S_{1}$ PARA-DIFLUOROBENZENE IN COLLISIONS WITH SEVERAL INERT GAS PARTNERS.

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1998

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Ohio State University

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State-to-field vibrational energy transfer (VET) from several levels within the $S_{1} (^{1}B_{2***})$ manifold of para-Difluorobenzene (pDFB) vapor at 300 K in collisions with a series of gases is currently being examined. Vibrational relaxation by collisions with $He, Ne, Ar,^{a}$, Kr, and Xe from three initial levels with vibrational energies ranging to $1634 cm^{-1}$ is probed. The resulting fluorescence spectra allow for the determination of absolute rate constants and cross sections for the collisional transfer of vibrational energy into the surrounding $S_{1}$ vibronic field of states.

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$^{a}$ D.L. Catlett and C.S. Parmenter, J. Phys. Chem., 95, 2864 (1991).
Author Institution: Indiana University Department of Chemistry, Bloomington

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http://hdl.handle.net/1811/18958

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999