Journal of the American Chemical Society 2003-10-08

Highly self-organized electron transfer from an iridium complex to p-benzoquinone due to formation of a pi-dimer radical anion complex triply bridged by scandium ions.

Junpei Yuasa, Tomoyoshi Suenobu, Shunichi Fukuzumi

Index: J. Am. Chem. Soc. 125(40) , 12090-1, (2003)

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Abstract

Unusually high kinetic order was observed in self-organized Sc3+-promoted electron transfer from tris(2-phenylpyridine)iridium(III) [Ir(ppy)3] to p-benzoquinone (Q) in propionitrile, third-order with respect to the concentration of Sc3+ and second-order with respect to the concentration of Q, to produce a pi-dimer semiquinone radical anion complex that is triply bridged by three Sc3+ ions (Q*--3Sc3+-Q).

Related Compounds

  • propionitrile
  • 2-Phenylpyridine

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