THE MICROWAVE SPECTRUM OF TRIFLUOROMETHYLPHOSPHINE.
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Date
1967
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Publisher
Ohio State University
Abstract
The rotational spectra of $CF_{3}PH_{2}, CF_{3}PHD$, and $CF_{3}PD_{2}$ have been observed and analyzed. Splitting of the lines due to internal rotation of the methyl group was observed in the $^{e}R$ transitions of the ground state and in the $^{e}R$ transitions of the first excited state, leading to a calculated barrier height of $2,360\pm80$ cal/mole. The dipole moment components are $\mu_{a}=1.77\pm.01 D\mu_{e}=0.74\pm .03 D$ and $\mu_{total}=1.92\pm.02 D$. The structural parameters have been determined and will be discussed.
Description
Author Institution: Department of Pharmaceutical Chemistry, University of California, San Francisco Medical Center San Francisco, California, 94122; Department of Chemistry, The University of Texas