The Microwave Spectrum of Trifluoromethyl Hypofluorite | Zendy

Paul Buckley | Zendy; J. P. Weber | Zendy

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The Microwave Spectrum of Trifluoromethyl Hypofluorite

Author(s) -

Paul Buckley,

J. P. Weber

Publication year - 1974

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v74-152

Subject(s) - chemistry , dipole , microwave , trifluoromethyl , stark effect , resonance (particle physics) , atomic physics , nuclear magnetic resonance , analytical chemistry (journal) , spectral line , alkyl , organic chemistry , physics , quantum mechanics , astronomy

The microwave spectrum of trifluoromethyl hypofluorite (CF 3 OF) has been analyzed in the region 8–40 GHz. Only μ a R-type transitions were observed despite a careful search and using double-resonance techniques. These determine the following rotational constants: A = 5600 ± 100, B = 3108.13 ± 0.02, C = 3049.25 ± 0.02 MHz. The dipole moments determined from Stark effect measurements are μ a = 0.30 ± 0.02, μ b = 0.10 ± 0.06, μ c = 0 D. The υ = 1 state of the CF 3 torsion has also been measured; relative intensity measurements lead to a potential barrier of 3.9 kcal/mol, somewhat higher than the electron diffraction results.

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