Issue 15, 2004
From the journal:

Dalton Transactions

Electrochemistry of a labile average-valence dicopper system

Joanne Coyle,ae   Alison J. Downard,b   Jane Nelson,bc   Vickie McKee,d   Charles J. Hardinge  and  Regine Herbst-Irmerf  

a School of Chemistry, Queens University, Belfast, UK

b Department of Chemistry, University of Canterbury, Christchurch 1, New Zealand

c Biomolecular Sciences, University of Ulster, Coleraine, UK

d Chemistry Department, Loughborough University, UK

e Chemistry Department, Open University, Milton Keynes, UK

f Department of Structural Chemistry, University of Göttingen, Tammanstr. 4, Göttingen, Germany

Abstract

Electrochemical studies on an average-valent dicopper cryptate demonstrate the existence of a solvent-assisted disproportionation in acetonitrile, which is absent in water. The existence of this process was confirmed via absorption spectroscopy, which allowed the evaluation of thermodynamic parameters. The disproportionation equilibrium is enthalpically controlled, and the results suggest an upper limit for the bond energy of the one-electron Cu–Cu bond of 200 kJ mol−1.

Graphical abstract: Electrochemistry of a labile average-valence dicopper system

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Article information

DOI
https://doi.org/10.1039/B405587J
Article type
Paper
Submitted
14 Apr 2004
Accepted
07 Jun 2004
First published
30 Jun 2004

Dalton Trans., 2004, 2357-2363

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Electrochemistry of a labile average-valence dicopper system

J. Coyle, A. J. Downard, J. Nelson, V. McKee, C. J. Harding and R. Herbst-Irmer, Dalton Trans., 2004, 2357 DOI: 10.1039/B405587J

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