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A High-Resolution Analysis of the ν3and ν9Absorption Bands of Difluoromethane

✍ Scribed by K.M. Smith; G. Duxbury; D.A. Newnham; J. Ballard

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
229 KB
Volume
193
Category
Article
ISSN
0022-2852

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✦ Synopsis

High-resolution (up to 0.0016 cm-1 unapodized) room temperature and collision-cooled (at approximately 100 K) mid-infrared (1000-1300 cm-1, 7.7-10 µm) absorption measurements of the nu3 and nu9 vibrational bands of difluoromethane (CH2F2, HFC-32) vapor were made with a Fourier transform spectrometer. A ro-vibrational analysis of over 900 infrared transitions has yielded quartic rotational constants, and the C-type Coriolis coupling xic39 = 0.28802(11) cm-1. The results are compared with a previous analysis [J. Matuszeski and M. Marshall, Spectrochim. Acta. A 52, 1069-1077 (1996)] of a jet-cooled spectrum. Copyright 1999 Academic Press.

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