Physics – Chemical Physics
Scientific paper
Mar 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jchph.116.3710m&link_type=abstract
Journal of Chemical Physics, Volume 116, Issue 9, pp. 3710-3717 (2002).
Physics
Chemical Physics
5
Vibrational Analysis, Rotation, Vibration, And Vibration-Rotation Constants, Rotational Analysis, Radio-Frequency And Microwave Spectra
Scientific paper
We report the observation and assignments of several series of transitions in CH2DOH, including a new and intense series of Q-branch c-type transitions between the e1 and o1 torsional substates through high values of the rotational quantum number J. Other transitions assigned are c-type R-branch and P-branch transitions between these two substates and a-type lines within the e1 and o1 substates. The assignments were facilitated by initial analysis of the strong Q-branch series, as recorded by the fast scan submillimeter spectroscopy technique (FASSST). The assigned lines of CH2DOH include the first inter-state transitions in the sub-millimeter-wave region and the first to possess high J-values. The completeness of the data generated by FASSST and the success of a simple power series analysis suggest that many parts of the spectrum of CH2DOH may be far more tractable than previously believed. The data should be useful in the development of a full Hamiltonian and in the assignment of astronomical emission features.
Albert Stephan
Butler Rebecca A. H.
de Lucia Frank C.
Duan Yun-Bo
Herbst Eric
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