The Variation of Atomic Polarizabilities in Molecular Vibrations

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Abstract
The depolarization factor of Raman lines of totally symmetric vibrations can be calculated in agreement with the general concepts of the polarizability theory of the Raman effect and with the concept of mutual interaction of dipoles if it is assumed that the polarizability of an atom depends on the interatomic distances in a molecule. When the totally symmetric species contains more than one vibration, the vibrational patterns, and thus the force constants, are among the factors that determine the depolarization. The results of the theory are evaluated for linear diatomic and triatomic molecules. The utilization of the method for checking force constants and molecular structures is pointed out.

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