The electrochemical behaviour of tris(N,N-disubstituted dithiocarbamato) complexes of ruthenium(III) in dimethylsulphoxide |
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| Authors: | Mushtaq Ahmed and Robert J Magee |
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| Institution: | (1) Department of Inorganic and Analytical Chemistry, La Trobe University, Bundoora, 3083, Melbourne, Victoria, Australia;(2) Present address: Department of Chemistry, Queen Mary College, University of London, England |
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| Abstract: | The reduction at the mercury electrode of a series of ruthenium(III) dithiocarbamates in dimethylsulphoxide (DMSO) has been
investigated using D.C. A.C. polarography, chronoamperometry, coulometry (controlled potential electrolysis) and cyclic voltammetry.
Tris(N,N-disubstituted dithiocarbamato) complexes of ruthenium exhibit two one-electron polarographic waves in the potential
range 0.00 to 2.20 volt relative to Ag/AgClO4 (DMSO) reference electrode. The first reduction, at approximately — 0.950 volt, is quasi-reversible. The Ru(II) (dAdtc)3]− complexes resulting from this reduction are susceptible to dissociation, releasing the free dialkyldithiocarbamate anion. |
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| Keywords: | Electrochemical behaviour tris(N N-disubstituted dithiocarbamato) ruthenium(III) dimethylsulphoxide polarography chronoamperometry coulometry cyclic voltammetry |
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