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Pyrrole as a probe molecule for characterization of basic sites in ZSM-5: A combined FTIR spectroscopy and computional study

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    0100891 - UOCHB-X 20043079 RIV US eng J - Journal Article
    Kučera, Jan - Nachtigall, Petr - Kotrla, Josef - Košová, Gabriela - Čejka, Jiří
    Pyrrole as a probe molecule for characterization of basic sites in ZSM-5: A combined FTIR spectroscopy and computional study.
    [Charakterizace bazických pozic v ZSM-5 pomocí molekuly pyrrolu: kombinovaná FTIR a teoretická studie.]
    Journal of Physical Chemistry B. Roč. 108, - (2004), s. 16012-16022. ISSN 1520-6106. E-ISSN 1520-5207
    R&D Projects: GA MŠMT LN00A032; GA AV ČR IAA4040001
    Institutional research plan: CEZ:AV0Z4055905; CEZ:AV0Z4040901
    Keywords : basicity * zeolite * DFT calculations
    Subject RIV: CF - Physical ; Theoretical Chemistry
    Impact factor: 3.834, year: 2004

    The interaction of pyrrole with alkali metal ion exchanged ZSM-5 (Li+, Na+, K+, Rb+, and Cs+) was studied by the combination of FTIR spectroscopy and the computational hybrid quantum mechanics/interatomic potential function method describing the role of the aluminum framework content and aluminum distribution, pyrrole coverage, cation size, and cation coordination type. The experimental spectral characteristics were explained using the comparison with the results of computational study

    Pomocí FTIR spektroskopie a pomocí kombinované kvantově mechanické/molekulově mechanické metody byla studována interakce pyrrolu s ionty alkalických kovů (Li+, Na+, K+, Rb+, and Cs+) v ZMS-5. Byly studovány vlivy množství a distribuce mřížkového hliníku, pokrytí pyrrolu, velikosti kationtu a koordinace kationtu. Experimentální spektrální charakteristiky byly interpretovány pomocí výsledků teoretického studia
    Permanent Link: http://hdl.handle.net/11104/0000019

     
     
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