The theory and calculations of the collision line mixing effects in the rotational spectra of symmetric top molecules

M. R. Cherkasov

doi:10.1117/12.820962

11 February 2009 The theory and calculations of the collision line mixing effects in the rotational spectra of symmetric top molecules

M. R. Cherkasov

Author Affiliations +

Proceedings Volume 7296, Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; 729603 (2009) https://doi.org/10.1117/12.820962
Event: Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2008, Krasnoyarsk, Russian Federation

Abstract

The theory of the spectrum shape relaxation parameters taking into account induced by collisions line mixing effects has been used for analyzing the rotational spectral lines of symmetric top molecules broadening. The calculations of the broadening coefficients and the relaxation parameters of the singlet and doublet lines of some symmetric top molecules were carried out and the results were compared with the available experimental data. It is found the line mixing effects may practically be ignored in the singlets broadening, but they are very important in the doublets broadening.

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M. R. Cherkasov "The theory and calculations of the collision line mixing effects in the rotational spectra of symmetric top molecules", Proc. SPIE 7296, Fifteenth International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 729603 (11 February 2009); https://doi.org/10.1117/12.820962

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