DETECTION OF HI-Ar BY (2+1) REMPI SPECTROSCOPY
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Date
1997
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Ohio State University
Abstract
ArHI was detected by spectroscopic means for the first time. A vibrationally resolved (2+1) REMPI spectrum was recorded for the $g^{3} \Sigma^{-}(0^{+})-X^{1} \Sigma^{+}(0^{+})$ transition. Analysis of this data yielded stretching vibrational constants for the g state, and estimates for the van der Walls bund strengths in the g and X states. The ground state is weakly bound, and ab initio calculations predict a linear HI-Ar geometry. The implications of these results for studies of the one-atom cage effect in RgHX complexes are considered.
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Author Institution: Institute for Molecular Science; Department of Chemistry, Emory University