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N2 Broadening of Carbon Disulfide 12C32S2 in the ν3 and ν3–ν1 Bands

✍ Scribed by Ghislain Blanquet; Jacques Walrand; Jean-Pierre Bouanich

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
147 KB
Volume
198
Category
Article
ISSN
0022-2852

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✦ Synopsis

N(2) broadening coefficients have been measured for 33 lines in the nu(3) fundamental band and 21 lines in the nu(3)-nu(1) band of C(32)S(2), using a tunable diode-laser spectrometer. These lines with J values ranging from 0 to 78 in the nu(3) band and from 4 to 70 in the nu(3)-nu(1) band are located in the spectral ranges 1514-1548 and 853-887 cm(-1), respectively. The collisional widths are obtained by fitting the spectral lines with a Voigt and a Rautian profile. Semiclassical calculations of these broadening coefficients have been performed by considering, in addition to electrostatic interactions, successively the atom-atom Lennard-Jones model and a simple formulation for the anisotropic dispersion forces leading to more satisfactory results. Copyright 1999 Academic Press.

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