Optimal sets of parameters for a model intermolecular potential that provide the best reproduction of broadening coefficients γ for the absorption lines in the v_2 band of the H_2S molecule are determined for systems H_2S-A (A = He, Ne, Ar, Kr, and Xe). For H_2S-He, the potential is obtained with the temperature dependence of coefficients γ taken into account for two rotational absorption lines 1_(10) ← 1_(01) and 2_(11) ← 2_(02). With the potentials obtained, the coefficients γ are calculated for the v_1 and v_3 bands and compared with the available experimental data. There are significant discrepancies between the calculated and experimental values of γ.
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