期刊
COORDINATION CHEMISTRY REVIEWS
卷 257, 期 9-10, 页码 1584-1613出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2012.09.007
关键词
Carbon-rich systems; Iron; Organometallic; Mixed-valence; Metal-metal coupling; Magnetic exchange
In this review, the electronic and structural properties of different organometallic wires containing the (dppe)Cp*Fe organometallic electrophore are thoroughly discussed. Results obtained from X-ray crystallography, electrochemistry, IR, NIR, NMR, EPR and Fe-57 Mossbauer spectroscopy measurements, as well as theoretical calculations serve to illustrate how electron-transfer in the mono-oxidized mixed-valence species and magnetic coupling in the di-oxidized species can be mediated by different conjugated and non-conjugated carbon linkers. Electron-transfer reactions in the former are generally described by two-state potential energy curves of the Marcus-Hush type. We will see that this model does not always apply, emphasizing the non-innocent role of the carbon-rich bridge in some cases. (C) 2012 Elsevier B.V. All rights reserved.
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