# EVIDENCE FOR A SECONDARY MINIMUM IN THE ArHCl POTENTIAL SURFACE FROM FAR INFRARED LASER/MICROWAVE DOUBLE RESONANCE SPECTROSCOPY OF THE LOWEST $\Sigma$ BENDING VIBRATION

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 Title: EVIDENCE FOR A SECONDARY MINIMUM IN THE ArHCl POTENTIAL SURFACE FROM FAR INFRARED LASER/MICROWAVE DOUBLE RESONANCE SPECTROSCOPY OF THE LOWEST $\Sigma$ BENDING VIBRATION Creators: Robinson, R. L.; Gwo, D.- H.; Ray, D.; Saykally, R. J. Issue Date: 1987 Publisher: Ohio State University Abstract: The lowest $\sigma$ bending vibration in the $ArH^{35}Cl$ and $ArH^{37}Cl$ van der Waals complexes have been measured near $24 cm^{-1}$ by Intracavity Far Infrared Laser Stark Spectroscopy and FIR/microwave double resonance. In conjuction with the calculations of Hutson, the molecular constants provide strong evidence that the intermolecular potential energy surface contains two minima at the ArHCl and ArClH linear geometries. Description: 1. J. M. Huston, J. Chem. Soc. Faraday Trans. 2, 82, 1163 (1986). Author Institution: Department of Chemistry, University of California; Joint Institute for Laboratory Astrophysics and Department of Chemistry, University of Colorado, Boulder, CO 80309 URI: http://hdl.handle.net/1811/17250 Other Identifiers: 1987-RA-7