Intensities of binary overtones and combinations in the infrared spectrum of CF4

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Abstract
The intensities of the binary overtone and combination bands in the infrared spectrum of CF4 have been measured. The dipole strengths of the allowed two‐quantum transitions have been determined from the measured intensities and have been compared with the dipole strengths calculated from the anharmonic terms in the intramolecular potential‐energy function. The discrepancies between the observed and calculated dipole strengths have been used to estimate the second derivatives of the molecular dipole moment with respect to the dimensionless normal coordinates.

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