Author:
Anttila Rauno,Huhanantti Mikko
Abstract
The perpendicular component of the 2ν4 band of CH3F around 6000 cm−1 has been investigated. Besides the Q branches, R and P lines have also been measured and assigned to subbands for [Formula: see text]. Using several combination plots and ground-state constants from previous investigations, molecular constants in the excited state have been derived. The following results, among other things, were obtained: B′ = 0.8560 ± 0.0004 cm−1, B′ – B″ = 0.0042 ± 0.0004 cm−1, A′ – A″ – (B′ – B″) = 0.048 ± 0.002 cm−1, and ζ44 = −0.170, which in turn gives ζ4 = 0.085 ± 0.001.
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
5 articles.
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