Beam maser measurement of 19F hyperfine structure and relation to magnetic shielding in carbonyl fluoride

J. H S Wang, Stephen G Kukolich

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Abstract

Hyperfine structure on the 110 → 111, 211 → 212, 431, → 432, and 651 → 652 rotational transitions in COF2 was observed with a molecular beam maser spectrometer. The resonance line width (fwhm) ranged from 1.5 kHz on the 111 → 110 transition to 6 kHz on the highest frequency transitions. The diagonal elements of the spin-rotation tensor obtained are Maa = -19.77 ± 0.21 kHz, Mbb = -13.46 ± 0.14 kHz, and Mcc = -7.80 ± 0.26 kHz. Magnetic shielding parameters are calculated from experimental results and comparison is made with other molecules.

Original languageEnglish (US)
Pages (from-to)4138-4141
Number of pages4
JournalJournal of the American Chemical Society
Volume95
Issue number13
Publication statusPublished - 1973
Externally publishedYes

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ASJC Scopus subject areas

  • Chemistry(all)

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