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Volumn 112, Issue 47, 2008, Pages 18572-18577

Hydrogen adsorption on zeolite-supported tetrairidium clusters. Thermodynamic modeling from density functional calculations

Author keywords

[No Author keywords available]

Indexed keywords

ADSORPTION; CATALYSTS; HYDROGEN; IRIDIUM; NONMETALS; THERMODYNAMICS; ZEOLITES;

EID: 57649098162     PISSN: 19327447     EISSN: 19327455     Source Type: Journal    
DOI: 10.1021/jp8073909     Document Type: Article
Times cited : (17)

References (47)
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    • (1997) Handbook of Heterogeneous Catalysis
  • 17
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    • Atkins, P. W. Physical Chemistry, 7th ed.; Oxford University Press: Oxford, 2002.
    • (2002) Physical Chemistry
    • Atkins, P.W.1
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    • 77956656833 scopus 로고    scopus 로고
    • Rösch, N.; Krüger, S.; Mayer, M.; Nasluzov, V. A. In Recent Development and Applications of Modern Density Functional Theory. Theoretical and Computational Chemistry; Seminario, J. M., Ed.; Elsevier: Amsterdam, 1996; 4, p 497.
    • Rösch, N.; Krüger, S.; Mayer, M.; Nasluzov, V. A. In Recent Development and Applications of Modern Density Functional Theory. Theoretical and Computational Chemistry; Seminario, J. M., Ed.; Elsevier: Amsterdam, 1996; Vol. 4, p 497.
  • 25
    • 57649093971 scopus 로고    scopus 로고
    • Belling, T, Grauschopf, T, Krüger, S, Nörtemann, F, Staufer, M, Mayer, M, Nasluzov, V. A, Birkenheuer, U, Hu, A, Matveev, A. V, Shor, A. M, Fuchs-Rohr, M. S. K, Neyman, K. M, Ganyushin, D. I, Kerdcharoen, T, Woiterski, A, Gordienko, A. B, Majumder, S, Rösch, N. PARAGAUSS version 3.0, Technische Universität: München, 2004
    • Belling, T.; Grauschopf, T.; Krüger, S.; Nörtemann, F.; Staufer, M.; Mayer, M.; Nasluzov, V. A.; Birkenheuer, U.; Hu, A.; Matveev, A. V.; Shor, A. M.; Fuchs-Rohr, M. S. K.; Neyman, K. M.; Ganyushin, D. I.; Kerdcharoen, T.; Woiterski, A.; Gordienko, A. B.; Majumder, S.; Rösch, N. PARAGAUSS version 3.0, Technische Universität: München, 2004.
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    • 1986, 34, 7406.
    • (1986) , vol.7406 , Issue.34
  • 45
    • 57649084409 scopus 로고    scopus 로고
    • Except for the vibrational component, the total partition function of the supported complexes includes also an electronic component which is difficult to predict or define via interpolation of the available data for the series Ir4Hn/zeo, n, 0, 3, 6, 9, 12. We performed test simulations to analyze the influence of the electronic component on the observed results. In the first case (as reported in the text) we assumed q el, 1 for all complexes and hence we neglected the contribution of the electronic component in the calculations of ΔG(Ir4H n/zeo, In the second case we assumed qe1, 4 for complexes with even number of adsorbed hydrogen atoms (i.e, all complexes with open shell are considered in a quartet state) and qel, 1 for complexes with an odd number of adsorbed hydrogen atoms corresponding to a close shell, Such alternation of the multiplicity of the system was observed in
    • 2) is reliable.


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