MODE SELECTIVE PREDISSOCIATION OF THE PERDEUTERIGMETHOXY RADICAL
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Date
1997
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Ohio State University
Abstract
Previous work on several members of the methoxy family of radicals has shown the photodissocation process to be strongly dependent on the vibrational mode excited. For the methoxy radical there exists a Fermi resonance between the two modes, $\nu_{2}$ and $\nu_{3}$, that appear to be the most strongly coupled to the dissociative potentials. In order to separate the contributions of $\nu_{2}$ and $\nu_{3}$ to the dissociation process, we have undertaken a study of the perdeuteriomethoxy radical in which $\nu_{2}$ and $\nu_{3}$ are not mixed by Fermi resonance. In this talk the fluorescence temporal decay of the $\widetilde{A}$ state of the perdeuteriomethoxy radical and the mode selectivity of its bond fission will be discussed.
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Author Institution: Laser Spectroscopy Facility, Department of Chemistry, The Ohio State University