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Definitive Ideal-Gas Thermochemical Functions of the (H2O)-O-16 Molecule

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    0472290 - ÚT 2017 RIV US eng J - Článek v odborném periodiku
    Furtenbacher, T. - Szidarovszky, T. - Hrubý, Jan - Kyuberis, A. A. - Zobov, N. F. - Polyansky, O. L. - Tennyson, J. - Császár, A. G.
    Definitive Ideal-Gas Thermochemical Functions of the (H2O)-O-16 Molecule.
    Journal of Physical and Chemical Reference Data. Roč. 45, č. 4 (2016), č. článku 043104. ISSN 0047-2689. E-ISSN 1529-7845
    Grant CEP: GA ČR(CZ) GA16-02647S
    Institucionální podpora: RVO:61388998
    Klíčová slova: ideal-gas thermochemical quantities * ortho- and para-H2 16O * partition function
    Kód oboru RIV: BJ - Termodynamika
    Impakt faktor: 4.204, rok: 2016
    http://aip.scitation.org/doi/pdf/10.1063/1.4967723

    A much improved temperature-dependent ideal-gas internal partition function, Qint(T), of the H2 16O molecule is reported for temperatures between 0 and 6000 K. Determination of Qint(T) is principally based on the direct summation technique involving all accurate experimental energy levels known for H2 16O (almost 20 000 rovibrational energies including an almost complete list up to a relative energy of 7500 cm−1), augmented with a less accurate but complete list of first-principles computed rovibrational energy levels up to the first dissociation limit, about 41 000 cm−1 (the latter list includes close to one million bound rovibrational energy level). Partition functions are developed for ortho- and para-H2 16O as well as for their equilibrium mixture. Based on the high-accuracy Qint(T) and its first two moments Gibbs energy, enthalpy, entropy, and isobaric heat capacity are obtained.
    Trvalý link: http://hdl.handle.net/11104/0269790

     
     
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