THE PURE ROTATIONAL SPECTRA OF VN (X $^{3}\Delta_r$) and VO (X $^{4}\Sigma^-$)
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Date
2007
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Ohio State University
Abstract
The pure rotational spectra of VN (X $^{3}\Delta_r$) and VO (X $^{4}\Sigma^-$) in their ground electronic states have been recorded in the frequency range 295-525 GHz. In each case, seven rotational transitions were measured. Fine structure and vanadium hyperfine splittings were resolved in these data. These radicals were produced by reacting gas-phase VCl$_4$ with N$_2$ (VN) or residual O$_2$ (VO) in an AC discharge. Rotational, fine, and hyperfine constants were determined. In particular, the hyperfine constants \textit{a}, \textit{b}, and \textit{c} for VN have been established from a global fit to the spectra. The parameters obtained are in good agreement with previous studies.
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Author Institution: Department of Chemistry, Department of Astronomy, Steward Observatory, University of Arizona, Tucson, AZ 85721