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Vibrational Frequency Shift (2nd Order) - MaRDI portal

Vibrational Frequency Shift (2nd Order) (Q6674549)

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frequency shift of molecular vibrations caused by interaction with surrounding particles from 2nd order non-degenerate perturbation theory
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Vibrational Frequency Shift (2nd Order)
frequency shift of molecular vibrations caused by interaction with surrounding particles from 2nd order non-degenerate perturbation theory

    Statements

    E1,r(2)E0,r(2)=12ϕrrsωsUqs
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    The interpretation is based on the coupling of different vibrational normal modes, mediated by the cubic anharmonicity of the intramolecular force field.
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