Partition sums for non-local thermodynamic equilibrium conditions for nine molecules of importance in planetary atmospheres R. R. Gamache, B. Vispoel, M. Rey [et al.]
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ArticleContent type: Текст Media type: электронный Subject(s): атмосферы планет | атмосферы экзопланет | изотопологи | молекулыGenre/Form: статьи в журналах Online resources: Click here to access online
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Icarus Vol. 378. P. 114947Abstract: Internal vibrational and rotational partition functions are calculated for nine molecules that are abundant in the terrestrial atmosphere and some are also observed in planetary and exoplanet atmospheres. These molecules are often observed in non-local thermodynamic equilibrium (NLTE) conditions. Calculations are made for all isotopologues of these molecules for which data are available, generally for the temperature range T = 1-5000 K. The methods of calculation of the vibrational and rotational partition functions, Q(v )and Q(r), respectively, the convergence, and the uncertainties for each isotopologue are discussed. Finally, a FORTRAN program, NLTE_TIPS_2021.FOR, to recall the NLTE partition sums is discussed.
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Internal vibrational and rotational partition functions are calculated for nine molecules that are abundant in the terrestrial atmosphere and some are also observed in planetary and exoplanet atmospheres. These molecules are often observed in non-local thermodynamic equilibrium (NLTE) conditions. Calculations are made for all isotopologues of these molecules for which data are available, generally for the temperature range T = 1-5000 K. The methods of calculation of the vibrational and rotational partition functions, Q(v )and Q(r), respectively, the convergence, and the uncertainties for each isotopologue are discussed. Finally, a FORTRAN program, NLTE_TIPS_2021.FOR, to recall the NLTE partition sums is discussed.
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