Vol. 31, issue 04, article # 3

Ziatkova A.G., Zamotaevа V.A., Kоnоv I.A. High resolution study of the n2 band of sulfur dioxide. // Optika Atmosfery i Okeana. 2018. V. 31. No. 04. P. 263–267 [in Russian].
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Abstract:

The ν2 band is analyzed on the basis of the combination difference method. The high resolution FTIR spectrum of the SO2 molecule in the region 400–700 cm-1 is used for the analysis. More than 4500 lines with the maximum values of the quantum numbers J and Ka equal to 96 and 25, respectively, are interpreted. On this basis, 1294 vibrational-rotational energy levels of the state (010) are determined. As a result of solution of the inverse spectroscopic problem with these levels, 32 effective Hamiltonian parameters are obtained, which allow us to reproduce the initial experimental data with the accuracy drms = 1.9 × 10-4 сm-1.

Keywords:

sulfur dioxide, high resolution spectrum, fundamental band

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