Analysis of the high resolution spectrum of the fundamental bandsv2 andv5 of12CH3F and their interactions |
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Authors: | Michel Betrencourt Mireille Morillon-Chapey and Pierre Pinson |
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Institution: | (1) Laboratoire d'Infrarouge, Associé au CNRS, Université de Paris-Sud, Bâtiment 350, 91405 ORSAY Cedex, France |
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Abstract: | Thev
2(A1) andv
5(E) fundamental vibration-rotation bands of12CH3F have been recorded under high resolution (0.015 to 0.020 cm–1) in the spectral range of 1460 cm–1. About 1100 transitions have been assigned. The Coriolis interaction between v2=1 and v5=1, and the l(2,-1) interaction in v5=1 have been rigorously treated. Sixteen molecular constants have been determined from a least squares analysis. They reproduce the observed data with an overall standard deviation of 0.0037 cm–1. |
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Keywords: | methyl fluoride molecular infrared spectroscopy Coriolis interaction |
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