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http://dx.doi.org/10.4313/JKEM.2004.17.6.652

A Study on Electronic Interaction in Dimetallic Complexes with Conjugated Chain  

Chung, Min-Chul (순천대학교 화학공학과)
Munetaka Akita (동경공업대학 자원화학연구소)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.17, no.6, 2004 , pp. 652-660 More about this Journal
Abstract
The cis-hex-3-ene-1,5-diynyl-bridged diiron compound 3, [(η$^{5}$ - $C_{5}$ M $e_{5}$ ) Fe(dppe)］$_2$($\mu$-C≡C-CH=CH-C≡C), have been prepared and characterized by cyclic voltammetry(CV), and electronic spectroscopy (UV-VIS and near-IR, NMR). From the results, compound 3 show two well resolved, single-electron, reversible oxidation waves by CV, and comproportionation constant(Kc) calculated from the CV data for compound 3. The Mixed-valence (MV) radical cation 3$^{+}$ show strong absorptions in the near IR, 1586 nm, and this band is more readily assigned as MV $\pi$-$\pi$ band of delocalized complex (Robin-Day Mixed-valence Class III), and the $H_{ab}$ , effective coupling parameter are most consistent with electronic delocalization.
Keywords
Iron Complex; Molecular wire; Cyclic Voltammogram;
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