25 November 2014 Modelling vibrational-rotational interactions in intensities of v2 band of H2O by Pade approximants
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Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 929206 (2014) https://doi.org/10.1117/12.2075108
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation
Abstract
A semiempirical model in the form of Pade approximants, describing vibrational-rotational (VR) interactions in intensities of VR-lines of v2 water vapor (H2O) band, was developed. The corresponding to the C2v molecular symmetry group matrix elements, involved in the expansion of the transformed dipole moment, was applied to the derivation. The treatment of experimental intensities of v2 H2O band for transitions with ΔK = ±1 and ΔK = ±3 by means of obtained model results in decreasing the root mean square deviation (RMS) about two times (2.82 % instead of 6.20 %) in comparison to the traditional scheme.
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O. V. Egorov, O. K. Voitsekhovskaya, "Modelling vibrational-rotational interactions in intensities of v2 band of H2O by Pade approximants", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 929206 (25 November 2014); doi: 10.1117/12.2075108; https://doi.org/10.1117/12.2075108
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