Spectroelectrochemical studies of some ruthenium(II) complexes with polypyridyl bridging ligands |
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Authors: | Justin Sherborne Sonya M. Scott Keith C. Gordon |
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Affiliation: | Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand |
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Abstract: | Ruthenium(II) bis(2,2″-pyridyl) complexes with bridging ligands: 6,7-dichloro-2,3-di(2-pyridyl)quinoxaline; 2,3-di(2-pyridyl)-quinoxaline; 5-methyl-2,3-di(2-pyridyl) quinoxaline; 6,7-dibenzo-2,3-di(2-pyridyl)quinoxaline have been prepared. The electrochemical and spectroscopic properties of these complexes are reported. The resonance Raman spectroelectrochemical results indicate the presence of oxidation state sensitive marker bands in the resonance Raman spectra of the oxidized complexes. The spectroscopic data for the reduced complexes is similar for all four species. The resonance Raman data for the reduced species are dominated by 2,2″-bipyridyl vibrations. |
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Keywords: | Spectroelectrochemistry Ruthenium complexes Polypyridyl complexes |
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