P. Kania, L. Stříteská, M. Šimečková
Nov 1, 2008
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Journal
Journal of Molecular Spectroscopy
Abstract
Abstract Rotational spectra of 13 carbon chloromethane isotopologues 13 CH 3 35 Cl and 13 CH 3 37 Cl with resolved hyperfine structures were measured in the spectral region from 50 GHz to 275 GHz. An estimated uncertainty of individual well developed lines was better than 5 kHz. Ground state molecular parameters B , D J , D JK , H J , H JK , H KJ , eQq , and C N were derived. Determination mainly of the hyperfine constants is significantly better than in previous studies.