Reaction Kinetics, Mechanisms and Catalysis

, Volume 101, Issue 1, pp 1–12 | Cite as

Bi-component redox systems obtained from iridium or rhodium chlorides and molybdophosphoric heteropoly acid

  • Lidia I. Kuznetsova
  • Sergei V. Koscheev
  • Nina I. Kuznetsova
  • Ludmila G. Detusheva


An XP, IR and UV–VIS spectroscopy study was carried out to characterize the compositions of molybdophosphate heteropoly anions with Ir(III) or Rh(III) hydroxo–chloro complexes, such as Ir1.1Cl2.4O x H y ·(PMo12O40)·16.0 H2O, where x is the number of oxygen atoms in the coordination sphere of iridium, and also mixed-valent species containing partially reduced and dehydrated heteropoly acid of suggested composition (Ir0, IrIII) n Cl m O x H y (PMo 12−p VI Mo p V O40−p/2) (on the average, n ≈ 1, m < 1, p ≥ 4). The mixed-valent Ir containing species showed stable activity in the gas-phase oxidation of benzene by O2–H2 mixture.


Catalysis Oxidation Ir(III) and Rh(III) complexes Molybdophosphoric heteropoly acid Benzene 



The authors are grateful to V.A. Rogov for TPR measurements.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2010

Authors and Affiliations

  • Lidia I. Kuznetsova
    • 1
  • Sergei V. Koscheev
    • 1
  • Nina I. Kuznetsova
    • 1
  • Ludmila G. Detusheva
    • 1
  1. 1.Boreskov Institute of Catalysis SB RASNovosibirskRussia

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