Mixed valence properties of a pyrazine bridged ruthenium–iron complex
Open Access
- 15 October 1977
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 55 (20) , 3549-3553
- https://doi.org/10.1139/v77-497
Abstract
A study is presented on the chemistry of the binuclear complex [(CN)5FepzRu(NH3)5]n (n = 0 for the II–III complex and n = −1 for the II–II complex, pz = pyrazine) in solid state and in aqueous solution. Evidence for a mixed valence transition for the II–III complex was observed in the near infrared region. Based on infrared and resonance Raman spectra, a trapped-valence or class II formulation was proposed for the complex. Cyclic voltammetry indicated the occurrence of two reversible waves at 0.48 V and 0.72 V vs. NHE, which were assigned to the oxidation of the ruthenium(II) and iron(II) centers, respectively.Keywords
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