On the “expanded local mode” approach applied to the methane molecule |
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| Authors: | ON Ulenikov ES Bekhtereva AL Fomchenko |
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| Institution: | a Laboratory of Molecular Spectroscopy, National Research Tomsk University, Lenin av., Tomsk, Russia
b Laboratoire Interdisciplinaire Carnot de Bourgogne, Universire de Bourgogne, av. A. Savary, Dijon, France |
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| Abstract: | On the base of the “expanded local mode approach” (see, Ref. 12]) a simple expression of the ambiguity parameter sinγ of the CH4 molecule is estimated and then, using empirical relations between Fi…j force coefficients, simple relations between different spectroscopic parameters of the methane molecule are derived. Comparison with corresponding “experimental” values is made, that shows more than satisfactory correlations between both (predicted and obtained from experimental data) sets of parameters. |
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| Keywords: | Methane molecule Local mode model Rotational and vibrational parameters Spectroscopic relations |
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