JOURNAL OF CHILEAN CHEMICAL SOCIETY

Vol 64 No 2 (2019): Journal of the Chilean Chemical Society
Original Research Papers

REACTION OF MOLECULAR OXYGEN WITH CHROMIUM, COBALT AND NICKEL METALLOCENES IN DIMETHYLSULFOXIDE. CORRELATION BETWEEN ITS POLAROGRAPHIC AND BOND LENGTHS PARAMETERS

Walter Zamudio
Chemical Engineering Dept . , Faculty of Physical and Mathematical Sciences, Universidad de Chile
Nubia Duarte
Chemical Engineering Dept . , Faculty of Physical and Mathematical Sciences, Universidad de Chile
Ana María García
Chemical Engineering Dept . , Faculty of Physical and Mathematical Sciences, Universidad de Chile
Marcelo Campos Vallette
Chemistry Dept . , Faculty of Sciences, Universidad de Chile
Published July 25, 2019
Keywords
  • metallocenes,
  • polarography,
  • oxidation,
  • reactivity

Abstract

The reaction of oxidation with molecular oxygen in dimethyl sulfoxide is of order one in the metallocenes; the specific reaction constant decreases from nickel, chromium to cobalt. A reaction mechanism is proposed. The values of the polarographic constants and the bond lengths vary linearly with respect to the increase of the specific reaction constant but with opposite slopes.

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