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Infrared Laser Spectroscopy of Jet-Cooled C2F6near 10 μm

✍ Scribed by G.M. Hansford; P.B. Davies

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
353 KB
Volume
180
Category
Article
ISSN
0022-2852

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✦ Synopsis

The n 5 (A 2u ) and n 7 (E u ) C-F stretching fundamentals of hexafluoroethane, C 2 F 6 , have been recorded in a supersonic jet by diode laser absorption spectroscopy. The parallel 5 1 o band is accompanied by five satellite bands, of which three have been assigned to hot bands. A fourth satellite band arises from 12 CF 3 13 CF 3 . Transitions satisfying 0 £ KDK £ 7 of the perpendicular 7 1 o band are unperturbed while those having 010 £ KDK £ 7 can be fitted assuming an R z -Coriolis interaction with a state lying at n p Å 1256 cm 01 . A second localized perturbation affects lines with KDK § 8. The band origins are 1117.10736 (7) cm 01 (5 1 o ) and 1252.96950 (17) cm 01 (7 1 o , 0 £ KDK £ 7), and the rotational constant B 0 Å 0.0615759 (27) cm 01 .

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