Abstract
Reaction of Hg(NO3)2 with 4 equivalent KI in water afford K2[HgI4]. By using K2[HgI4] as the precursor, three new heterobimetallic compounds [Ni(N-MeIm)6][HgI4] (I), [Co(N-MeIm)6][HgI4] (II), and [Cu(N-MeIm)6][HgI4] (III) have been characterized by elemental analysis, IR spectra, and the singlecrystal X-ray crystallorgraphy analysis. Three complexes are isomorphous and crystallized in monoclinic symmetry space group P21/c. The coordination around each center metal(II) atom is octahedral with six nitrogen atoms of N-MeIm ligand. Each structure contains one tetrahedral [HgI4]2− as an anion to balance the charge of the molecular. Thermogravimetry analysis indicates these complexes have the similar departure process and cyclic voltammogram exhibits a significant pair of redox peaks.
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Gao, L. Synthesis, structure, and electrochemical properties of [M(N-MeIm)6]2+ (M = Ni, Co, Cu) associated with [HgCl4]2− . Russ J Coord Chem 40, 138–142 (2014). https://doi.org/10.1134/S1070328414020031
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DOI: https://doi.org/10.1134/S1070328414020031