INTERACTION BETWEEN VIBRATIONS AND INTERNAL ROTATION IN $S_{1}$ M-FLUOROTOLUENE AS SEEN IN THE $S_{1}-S_{0}$ SPECTROSCOPY
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Date
1996
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Ohio State University
Abstract
In support of IVR studies in m-fluorotoluene, a detailed picture is being constructed of the vibrational and internal rotation level structure for the lower $430 cm^{-1}$ of the S1 slate. Particular emphasis is given to Fermi resonances involving interactions between internal rotation and vibration. The information is derived from cold jet $S_{1}-S_{0}$ spectroscopy with abundant use of dispersed single vibronic level fluorescene (SVLF), Seventy-five levels involving internal rotation as well as eight modes occuring as fundamentals, overtones and combinations occour with known zero order identities in the energy region. Of these, twenty-six have been pumped for examinnation by SVLF spectroscopy. Clear evidence for numerous level interactions appears in the spectra. The details are now being worked out.
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Author Institution: Department of Chemistry, Indiana University