Anharmonic Raman intensities of overtones, combination and difference bands

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1982 English Publisher:AIP PublishingJournal:The Journal of Chemical Physics, volume 77, pages 23-29 (issn: 0021-9606, eissn: 1089-7690,

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Authors: Montero, Salvador;

doi: 10.1063/1.443647

handle: 10261/214849

Anharmonic Raman intensities of overtones, combination and difference bands

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Abstract

The influence of anharmonicity up to the cubic force constants on the Raman tensors of binary overtone, combination, and difference bands is investigated. Formulas for the absolute differential Raman scattering cross sections of these bands are reported for all possible cases of degeneracy as a function of the invariants of the anharmonic Raman tensors. The evaluation of anharmonic Raman tensors as a function of Hoy, Mills, and Strey’s ℒ tensor, cubic force constants, and bond polarizability parameters is illustrated for the tetrahedral AB4 molecule.

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Institute for the Structure of Matter
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