Patra, Srikanta ; Sarkar, Biprajit ; Ghumaan, Sandeep ; Fiedler, Jan ; Kaim, Wolfgang ; Lahiri, Goutam Kumar (2004) Isovalent and mixed-valent diruthenium complexes [(acac)2RuII (μ-bpytz)RuII(acac)2] and [(acac)2RuII(μ-bpytz)RuIII(acac)2](ClO4) (acac = acetylacetonate and bpytz = 3,6-bis(3,5-dimethylpyrazolyl)-1,2,4,5-tetrazine): synthesis, spectroelectrochemical, and EPR investigation Inorganic Chemistry, 43 (19). pp. 6108-6113. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic049346r
Related URL: http://dx.doi.org/10.1021/ic049346r
Abstract
The title compounds involving the structurally characterized bridging ligand bpytz were characterized, showing very strong electrochemical stabilization of the mixed-valent RuIIRuIII state (Kc = 1013.9) but no detectable (ε < 20 M-1 cm-1) intervalence charge-transfer band in the infrared region. In situ reduction of the neutral precursor produces a diruthenium(II) complex of the bpytz radical anion according to EPR spectroscopy, whereas oxidation of the mixed-valent form leads to a diruthenium(III) species.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 88397 |
| Deposited On: | 28 Mar 2012 10:02 |
| Last Modified: | 28 Mar 2012 10:02 |
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