THE MILLIMETER-WAVE AND SUBMILLIMETER-WAVE SPECTRUM OF PROPYLENE $(CH_{3}CHCH_{2})$

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Title: THE MILLIMETER-WAVE AND SUBMILLIMETER-WAVE SPECTRUM OF PROPYLENE $(CH_{3}CHCH_{2})$
Creators: Pearson, J. C.; Herbst, E.; De Lucia, Frank C.; Sastry, K. V. L. N.
Issue Date: 1994
Publisher: Ohio State University
Abstract: The ground state rotational-torsional spectrum of internal rotor propylene $(CH_{3}CHCH_{2})$ was observed in the millimeter-wave and the submillimeter-wave regions with a klystron based spectrometer. Approximately 760 lines in the A and E substates of the ground torsional states were measured. Rotational transitions with quantum numbers through J = 30 and $K_{a} = 22$ were observed up to a frequency of 412 GHz. The newly measured lines were combined with the approximately 40 transitions measured by $Hirota^{1}$ and Lide and $Mann^{2}$ and fit to 90 kHz with an internal axis Hamiltonian. The spectroscopic constants A, B, C five quartic and three sextic distortion constants, and the three internal rotation parameters $D_{ab}, V_{3}$ and $\rho$ were determined. These constants along with the previously determined values of $V_{6}$ and F should permit accurate prediction of many unmeasured rotational transitions.
Description: $^{1}$E. Hirota, {J. Chem. Phys}. 45, 1984-1990 (1957). $^{2}$ D.R. Lide, JR. and D. E. Mann, {J. Chem. Phys}. 27, 868-873 (1957).
Author Institution: Department of Physics, The Ohio State University; Department of Physics, University of New Brunswick
URI: http://hdl.handle.net/1811/13345
Other Identifiers: 1994-WF-11
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