THE ROTATIONAL SPECTRA OF IO $X_{1} ^{2}\Pi_{3/2}, v \leq 13$ and $X_{2} ^{2}\Pi_{1/2}, v \leq 9$
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Date
1999
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Ohio State University
Abstract
The rotational spectra of IO in vibrational states up to $v = 13$ in the $X_{1} ^{2}\Pi_{3/2}$ state and up to $v = 9$ in the $X_{2} ^{2}\Pi_{1/2}$ state have been observed in an $O_{2}$ discharge over molecular $I_{2}$. In addition, $I^{18}O$ has been observed for both the $X_{1}$ and $X_{2}$ states up to $v = 5$. All data have been analyzed simultaneously with fixed isotopic ratios among the constants. This extends the data set for the $X_{1}$ state described last year at this meeting and provides the first high resolution data for the $X_{2}$ state and for $I^{18}O$. An extensive set of parameters has been derived. These will be interpreted in terms of the electronic structure and the interatomic potential.
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Author Institution: Department of Chemistry, Haverford College; Jet Propulsion Laboratory, California Institute of Technology