Intermolecular vibrations and predissociative resonances in open-shell complexes

Marsha I. Lester; Seung E. Choi; Robert W. Randall

doi:10.1117/12.143097

22 April 1993 Intermolecular vibrations and predissociative resonances in open-shell complexes

Marsha I. Lester, Seung E. Choi, Robert W. Randall

Proceedings Volume 1858, Laser Techniques for State-Selected and State-to-State Chemistry; (1993) https://doi.org/10.1117/12.143097
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Intermolecular vibrational levels which lie above the OH (X ²$PRD) + Ar dissociation limit have been characterized by stimulated emission spectroscopy. OH-Ar complexes prepared in these levels undergo rotational or spin-orbit predissociation. The energies and lifetimes of these metastable states have been computed using a variational method and a flux projection technique. Analogous predissociative levels beyond the OH (A ²(Sigma) ⁺) + Ar dissociation limit have been detected by laser-induced fluorescence and confirmed by hole-burning experiments. Intermolecular vibrational levels of NH-Ar have been probed in the vicinity of the NH c ¹$PRD - a ¹(Delta) transition, revealing information on the NH (c ¹$PRD, a ¹(Delta) ) + Ar interaction potentials.

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Marsha I. Lester, Seung E. Choi, and Robert W. Randall "Intermolecular vibrations and predissociative resonances in open-shell complexes", Proc. SPIE 1858, Laser Techniques for State-Selected and State-to-State Chemistry, (22 April 1993); https://doi.org/10.1117/12.143097

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