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ROTATIONAL ENERGY TRANSFER MECHANISMS AND INTERMOLECULAR INTERACTIONS OF VIBRATIONALLY EXCITED $NH_{3}$ IN COLLISIONS WITH $NH_{3}$ AND AR FROM STATE RESOLVED IR-DOUBLE-RESONANCE EXPERIMENTS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/12623

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Title: ROTATIONAL ENERGY TRANSFER MECHANISMS AND INTERMOLECULAR INTERACTIONS OF VIBRATIONALLY EXCITED $NH_{3}$ IN COLLISIONS WITH $NH_{3}$ AND AR FROM STATE RESOLVED IR-DOUBLE-RESONANCE EXPERIMENTS
Creators: Abel, B.; Klaassen, Jody J.; Coy, Stephen L.; Steinfeld, J. I.
Issue Date: 1992
Abstract: Ammonia can be regarded as a unique model system for the investigation of collisional energy transfer processes of polar symmetric top molecules. State resolved R-R and R-T energy transfer of vibrationally excited $NH_{3} (v_{2}=1$) in collisions with $NH_{3}$ and Ar has been measured in IR-double-resonance experiments with a tunable diode laser. A master equation analysis was used to convert the state resolved experimental data into average ``microscopic” state-to-state cross sections. In the present contribution the detailed set of state resolved rotational energy transfer data will be analysed with respect to theoretical scaling laws for individual state-to-state coefficients, ``propensity rules” for rotational energy transfer of polar molecules and intermolecular potential surface parameters of the two collision partners.
URI: http://hdl.handle.net/1811/12623
Other Identifiers: 1992-FA-12
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