High-resolution far-infrared spectroscopy of C-13 methanol |
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| Authors: | I Mukhopadhyay R M Lees and J W C Johns |
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| Institution: | (1) Department of Physics, University of New Brunswick, E3B, 5A3 Fredericton, N.B., Canada;(2) Herzberg Institute of Astrophysics, National Research Council of Canada, K1A 0R6 Ottawa, Ontario, Canada |
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| Abstract: | The high-resolution far-infrared (FIR) Fourier transform spectrum of13CH3OH has been studied from 25–350 cm–1, andb-typerR-branches in the torsional ground state have been assigned. The branches have been fitted to phenomeno-logical expansion parameters, which reproduce the branch frequencies generally to well within ±0.001 cm–1. An interesting and relatively novel  K=4 perturbation, localized to levels around J=18, has been observed between (n K)=(019) and (125) states. |
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| Keywords: | Far-infrared (FIR) spectra methanol torsion |
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