Coriolis coupling in ArHCl

S. W. Reeve, M. A. Dvorak, D. W. Firth, Kenneth R Leopold

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The Π bending state of ArHCl has been examined by tunable far-infrared spectroscopy and the J dependence of the Coriolis coupling to the Σ bending and Σ stretching vibrations analyzed. The Coriolis coupling constants obtained are only slightly smaller than those previously observed in the complex containing a quantum of HCl of vibrational excitation (3.2% for the Π-Σ bend coupling and 4.5% for the Π-Σ stretch coupling). Deperturbed rotational constants for the Σ bending state of the 35Cl and 37Cl species cannot be used in conjunction with simple moment of inertia expressions to support the predicted antihydrogen bonded geometry for that state. Comparisons between the ground states and the Π states of the series ArHX (Xz.dbnd;F, Cl, Br) are discussed.

Original languageEnglish (US)
Pages (from-to)259-266
Number of pages8
JournalChemical Physics Letters
Volume181
Issue number2-3
DOIs
StatePublished - Jun 21 1991

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