Elastic differential cross sections and intermolecular potentials for Ar + CH4 and Ar + NH3 |
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| Authors: | Richard Behrens Andrew Freedman Ronald R Herm Timothy P Parr |
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| Institution: | Inorganic Materials Research Division, Lawrence Berkeley Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, USA |
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| Abstract: | Differential elastic cross sections are reported for CH4 + Ar (E = μg2/2 = 8.43 kJ/mole) and NH3 + Ar (E = 8.31 kJ/mole) in the region of the rainbow angles. Quantum interference undulations are apparently observed as well for CH4 + Ar and, possibly, NH3 + Ar. The measurements are fit to spherically symmetric intermolecular potentials yielding well depths and equilibrium intermolecular separations of 1.32 kJ/mole and 3.82 Å for CH4 + Ar and 1.32 kJ/mole and 3.92 Å for NH3 + Ar. |
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