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Detailed Structural, Spectroscopic, and Electrochemical Trends of Halido Mono- and Bis(NHC) Complexes of Au(I) and Au(III)

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journal contribution
posted on 26.08.2013, 00:00 by Han Vinh Huynh, Shuai Guo, Wenqin Wu
A complete series of ten Au­(I) and Au­(III) NHC complexes of the general formulas [AuIX­(iPr2-bimy)] (13, X = Cl, Br, and I), [AuI(iPr2-bimy)2]­BF4 (4), [AuIIIX3(iPr2-bimy)] (57, X = Cl, Br, and I) and trans-[AuIIIX2(iPr2-bimy)]­BF4 (810, X = Cl, Br, and I) bearing the iPr2-bimy ligand, and all three common halido ligands have been synthesized and fully characterized. Detailed trends in their NMR and UV–Vis spectroscopic properties have been studied, and their electrochemical behavior have been probed by cyclic voltammetry. The solid state molecular structures of all new complexes determined by single crystal X-ray diffraction are also described.