A dinuclear ruthenium(II) complex with the dianion of 2,5-dihydroxy-1,4-benzoquinone as bridging ligand. Redox, spectroscopic and mixed-valence properties
- Univ. of Bristol (United Kingdom)
The authors describe here the synthesis, electrochemical and spectroscopic properties of [(bipy){sub 2}Ru{sub 2}({mu}-L)][PF{sub 6}]{sub 2} (1) where L{sup 2{minus}} is the dianion of 2,5-dihydroxy-1,4-benzoquinone. This ligand presents an O,O-donor binding site to each metal ion in which one oxygen atom is formally quinonoidal and the other is anionic, so the binding site is similar to that presented by a semiquinone with the important exception that L{sup 2{minus}} is diamagnetic. L{sup 2{minus}} has been shown to be an effective mediator of electron-transfer in intramolecular redox reactions, as well as mediating electro-chemical and magnetic exchange interactions in a variety of binuclear and polynuclear complexes.
- OSTI ID:
- 263765
- Journal Information:
- Inorganic Chemistry, Journal Name: Inorganic Chemistry Journal Issue: 6 Vol. 35; ISSN 0020-1669; ISSN INOCAJ
- Country of Publication:
- United States
- Language:
- English
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