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The Far-Infrared Laser Magnetic Resonance Spectrum of CH2F

✍ Scribed by J. Nolte; H.Gg. Wagner; T.J. Sears; F. Temps

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 300 KB
Volume: 195
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1999.7813

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✦ Synopsis

Far-infrared laser magnetic resonance (FIR-LMR) spectra due to the CH 2 F radical have been recorded on seven laser lines at wavelengths between 301 and 568 m. Observed resonances were assigned to fine and hyperfine components of pure rotational transitions of CH 2 F in the ground vibrational state and the first excited state of the 4 out-of-plane bending mode. All assigned transitions obey a-dipole selection rules. The data were combined with previously reported microwave results (Y. Endo, C. Yamada, S. Saito, and E. Hirota, J. Chem. Phys. 79, 1605Phys. 79, (1983))) and subjected to a least-squares fit to determine the parameters of the effective Hamiltonian describing the v 4 ϭ 0 and 1 vibrational levels of the CH 2 F radical.

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