Vibration-rotation polarizability operator for nonlinear X2Y-type molecules and the rovibrational Raman cross-section calculation of water molecules

V. I. Starikov; A. E. Protasevich

doi:10.1117/12.545636

12 January 2004 Vibration-rotation polarizability operator for nonlinear X₂Y-type molecules and the rovibrational Raman cross-section calculation of water molecules

V. I. Starikov, A. E. Protasevich

Author Affiliations +

Proceedings Volume 5311, 14th Symposium on High-Resolution Molecular Spectroscopy; (2004) https://doi.org/10.1117/12.545636
Event: 14th Symposium on High-Resolution Molecular Spectroscopy, 2003, Krasnoyarsk, Russian Federation

Abstract

The expression for the second - order transformed polarizability operator for non-linear X₂Y -type molecules is derived using the method of contact transformation. This operator is used for the calculation of ro-vibrational Raman cross sections of the H₂O molecule. It is shown that the ro-vibrational correction terms change the integral intensity of pure rotational lines significantly and the ν₂ band slightly. The vibrational dependence of the mean polarizability of H₂O is analyzed in the calculation of integral intensity of one and two quantum bands.

Citation Download Citation

V. I. Starikov and A. E. Protasevich "Vibration-rotation polarizability operator for nonlinear X₂Y-type molecules and the rovibrational Raman cross-section calculation of water molecules", Proc. SPIE 5311, 14th Symposium on High-Resolution Molecular Spectroscopy, (12 January 2004); https://doi.org/10.1117/12.545636

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