Derive an expression for the value of J corresponding to the most highly populated rotational energy level

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Derive an expression for the value of J corresponding to the most highly populated rotational energy level of a diatomic rotor at a temperature T remembering that the degeneracy of each level is 2J + 1. Evaluate the expression for ICl (for which B = 0.1142 cm−1) at 25°C. Repeat the problem for the most highly populated level of a spherical rotor, taking note of the fact that each level is (2J + 1)2 -fold degenerate. Evaluate the expression for CH4 (for which B = 5.24 cm−1) at 25°C.

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Physical Chemistry

ISBN: 9780716787594

8th Edition

Authors: Peter Atkins, Julio De Paula

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