ANALYSIS OF THE $C^{2} \Pi - X^{2} \Sigma^{+}$ BAND OF AIO.

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1998

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Ohio State University

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Abstract

In recent years the $C^{2}\Pi$ state of AIO has been the subject of some controversy. In 1994 Towle $et al.^{a}$ published the results and analysis of a high resolution study of the $C^{2}\Pi - X^{2} \Sigma^{+} (0,0)$ band. Later in 1994 Towle $et al.^{b}$ published a reanalysis of that data in combination more data from Singh and $Sakena^{c}$ The reanalysis yielded molecular constants for the $C^{2}\Pi$ state that were in agreement with those published $in^{a}$ to within experimental accuracy. Ito $et al.^{d}$ have reanalyzed the data $from^{c}$ and published a set of molecular constants that are markedly different from those of Towle $et al.^{a}$ These differences will be discussed.

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$^{a}$ J.P. Towle, A.M. James, O.L. Bourne and B. Simard, J. Mol. Spectrosc. 163 (1994) 300. $^{b}$ J.P. Towle, A.M. James, O.L. Bourne, B. Simard, M. Singh and M.D. Sake***, J. Mol. Spectrosc. 167 (1994) 472. $^{c}$ M. Singh and M.D. Sakena, Can. J. Phys. 61 (1983) 1347. $^{d}$ N. Ito, H. Ito and K. Kuchitsu, Chem. Phys. Lett., 276 (1997) 139.
Author Institution: Smithsonian Astrophysical Observatory, 60 Garden Street MS 72

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