Thermodynamic study of an effective catalytic system, hydrogen peroxide and methyltrioxorhenium

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  • Fatemeh Niroomand Hosseini1,
  1. Department of Chemistry, Shiraz Branch, Islamic Azad University, Shiraz, Iran.

Published in Issue 2024-02-03

How to Cite

Niroomand Hosseini, F. (2024). Thermodynamic study of an effective catalytic system, hydrogen peroxide and methyltrioxorhenium. Iranian Journal of Catalysis, 4(3). https://oiccpress.com/ijc/article/view/3803

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Abstract

The thermodynamic of the known and very effective catalytic system, hydrogen peroxide (H2O2) and methyltrioxorhenium (MTO) is studied in different solvents using UV-Visible spectroscopic method. The thermodynamic parameters (ÎG, ÎH and ÎS) for two equilibrium reactions, MTO + H2O2 â A + H2O and A + H2O2 â B.H2O (A, [MeRe(O)2(O2)]; B.H2O, [MeRe(OH2)(O)(O2)2]), are determined. The obtained free energies of the reactions depend on dielectric constants of solvent, which are explained by Onsagerâs reaction field theory.

Keywords

  • hydrogen peroxide,
  • Methyltrioxorhenium,
  • Thermodynamic study
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