Preparation, Crystal Structure and Properties of a Pentametallic 3-Ferrocenyl-2-crotonic acid-Bridged Copper (II) Complex
Jia-Xiang Yang
Department of Chemistry, Anhui University, Hefei, Anhui 230039, China
Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
Search for more papers by this authorZe Zhang
Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
Search for more papers by this authorJie-Ying Wu
X-Ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Search for more papers by this authorYu-Peng Tian
Department of Chemistry, Anhui University, Hefei, Anhui 230039, China
Search for more papers by this authorQing-Liang Liu
Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
Search for more papers by this authorHoong Kun Fun
X-Ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Search for more papers by this authorAnwar Usman
Department of Chemistry, Anhui University, Hefei, Anhui 230039, China
Search for more papers by this authorZbi-Qiang Xu
Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B3X7, Canada
Search for more papers by this authorK. Thompson Laurence
Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B3X7, Canada
Search for more papers by this authorJia-Xiang Yang
Department of Chemistry, Anhui University, Hefei, Anhui 230039, China
Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
Search for more papers by this authorZe Zhang
Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
Search for more papers by this authorJie-Ying Wu
X-Ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Search for more papers by this authorYu-Peng Tian
Department of Chemistry, Anhui University, Hefei, Anhui 230039, China
Search for more papers by this authorQing-Liang Liu
Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
Search for more papers by this authorHoong Kun Fun
X-Ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Search for more papers by this authorAnwar Usman
Department of Chemistry, Anhui University, Hefei, Anhui 230039, China
Search for more papers by this authorZbi-Qiang Xu
Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B3X7, Canada
Search for more papers by this authorK. Thompson Laurence
Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, A1B3X7, Canada
Search for more papers by this authorAbstract
The synthesis and characterization of the copper (II) complex [Cu2(OOCCH = C(CH3)Fc)3(phen)2]CIO4 · 2H2O (1) are reported. The structure of the complex was determined by single-crystal X-ray analysis. The compound crystallizes in the monoclinic system, space group Pc, with Z =2, a = 1.2799(4) nm, b =0.9969 (4) nm, c = 2.5228 nm, and β = 91.576 (1) °. The cationic part of 1 indicates a penametallic core in which three 3-ferrocenyl-2-crotonic acid salt (FCA) groups act as (O, O') bridging ligands between two copper (II) ions with a square-pyramidal environment. Cyclic voltammetric experiments in acetonitrile have been performed mainly to examine the Fe(II) → Fe(III) one-electron oxidation in FCA and its complex. The variable-temperature magnetic susceptibility measurements revealed very weak intramolecular anti-ferromagnetic coupling. Fitting parameters are 2J = -0.2 cm−1, g = 2.114, and θ = 0K.
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