Rotational and vibrational analysis of the B̃←X̃ system of XeF as observed in a supersonic free jet

D. L. Monts, Lucy M Ziurys, S. M. Beck, M. G. Liverman, R. E. Smalley

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The fluorescence excitation spectrum of XeF cooled in a supersonic expansion with helium has been observed for the wavelength region 2860 to 3205 Å. The cold spectrum displays well-resolved rotational structure for seven of the XeF isotopic species. Analysis of this rotational structure is reported for υ′ = 16-21 in the B̃ (Ω = 1/2) state and for υ″ = 0 and 1 in the X̃ 2+ state. Vibrational intervals have been measured for individual XeF isotopes with an accuracy of ±0.50 cm-1 for vibrational levels υ′ = 11-22 and ±0.37 cm-1 for υ″ = 0-2.

Original languageEnglish (US)
Pages (from-to)4057-4065
Number of pages9
JournalThe Journal of Chemical Physics
Issue number10
Publication statusPublished - 1976
Externally publishedYes


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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