Tungsten monocarbide, WC: Pure rotational spectrum and 13C hyperfine interaction

Fang Wang, Timothy Steimle

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Abstract

The J = 1 → 2 pure rotational transitions in the X 3Δ 1v = 0) state of 186W 12C and 184W 12C were recorded using a pumpprobe microwave optical double resonance (PPMODR) technique and analyzed to give fine structure parameters. The field-free 17.62← X 3Δ 1 (1, 0) bands of the W 13C isotopologues were recorded using laser induced fluorescence and analyzed to produce the 13C(I = 1/2) magnetic hyperfine parameter. Bonding in the 17.62(v = 1) and X 3Δ 1v = 0) states is discussed and a comparison of the experimentally determined properties of the X 3Δ 1v = 0) state with those predicted as a prelude to the electron electric dipole moment (eEDM) measurements J. Lee, E. R. Meyer, R. Paudel, J. L. Bohn, and A. E. Leanhardt, J. Mod. Opt. 56, 2005 (2009)10.1080/09500340903349930 is given.

Original languageEnglish (US)
Article number044312
JournalJournal of Chemical Physics
Volume136
Issue number4
DOIs
Publication statusPublished - Jan 28 2012

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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