METHYL INTERNAL ROTATION IN THE $S_{1}$ STATED OF 2-CHLORO-6-FLUOROTOLUENE: EXPERIMENT AND THEORY

Richard, E. C.
Walker, R. A.
Lu, K.- T.
Weisshaar, J. C.

Publication date

January 1994

Publisher

The Ohio State University Libraries

Abstract

Author Institution: Department of Chemistry, University of Wisconsin; Department of Chemistry, University of California; Department of Chemistry, University of WisconsinUsing resonant two photon ionization we have measured the low frequency torsional vibrational structure of 2-chloro-6-fluorotoluene in a skimmed molecular beam. The $S_{1} \leftarrow S_{o}$ origin occurs at 37036 $cm^{-1}$ (adiabatic I.P.= 9.127 $\pm$ 0.006 eV). The spectrum has considerable low frequency vibrational activity with many vibrational bands ($<500 cm^{-1}$) showing relatively large intensities. Using a threefold symmetric potential we are able to assign the low lying torsional states of the methyl rotor $(|V_{3}|\sim 140 cm-1)$. {Ab-initio} calculations predic...

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METHYL INTERNAL ROTATION IN THE $S_{1}$ STATED OF 2-CHLORO-6-FLUOROTOLUENE: EXPERIMENT AND THEORY

Abstract

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METHYL INTERNAL ROTATION IN THE $S_{1}$ STATED OF 2-CHLORO-6-FLUOROTOLUENE: EXPERIMENT AND THEORY

Abstract

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