TWO-DIMENSIONAL ANALYSIS FOR THE RING-TWISTING AND PUCKERING MODES OF DEUTERATED CYCLOPENTENES
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Date
1978
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Ohio State University
Abstract
The reduction of symmetry by isotopic substitution for cyclopentene-1-$d_{1}$ and cyclopentene-$1, 2, 3,3-d_{4}$ allows the observation of the normally infrared inactive ring-twisting mode. The fine structure observed for this vibration in both molecules makes is possible to determine the ring-puckering energy levels in the twisting excited state. Using these levels (and others for cyclopentene-$d_{0}$ and -$d_{8}$), a two-dimensional potential energy for the out-of-phase ring modes has been calculated.
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Author Institution: Department of Chemistry, Texas A\&M University