Terahertz Spectroscopy of the Ground State of Methylamine (CH_3NH_2)

Details Terahertz Spectroscopy of the Ground State of Methylamine (CH_3NH_2) Terahertz Spectroscopy of the Ground State of Methylamine (CH_3NH_2)

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..confewh11y&link_type=abstract

"International Symposium On Molecular Spectroscopy, 64th Meeting, Held 22-26 June, 2009 at Ohio State University. http://molspec

Physics

Mini-Symposium: Fir/Thz Air/Space Missions

Scientific paper

Measurements of the torsion-rotation spectrum of methylamine have been extended into the terahertz region. The accuracy of these measurements is estimated to be ranging from 50 kHz to 100 kHz.. About 1000 lines were assigned based on a SPCAT prediction. The Hamiltonian model follows the group-theoretical formalism developed by Ohashi and Hougen. These assigned lines were fitted together with all prior available data (1800 lines) using the SPFIT program, and improved molecular parameters were obtained for CH_3NH_2 by adding the new measurements. New frequency and intensity predictions have been made based on the obtained molecular parameters. This Hamiltonian model may facilitate future studies on protonated methanol (CH_3OH_2^+).
N. Ohashi and J. T.Hougen J. Mol. Spectrosco. 121, 474 (1987).

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