Synthesis, Crystal Structure and Properties of Polyamine Copper(II) Complexes |
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Authors: | Hong Zhou Zhiquan Pan Hanping Zhang Jingdong Hu Xuelei Hu Hong Zhou Zheng-He Peng |
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Institution: | (1) Hubei Key Laboratory of Chemical Reactor and Green Chemical Technology, Wuhan Institute of Chemical Technology, Wuhan, 430073, P.R. China;(2) College of Chemistry and Molecular Science, Wuhan University, Wuhan, 430072, P. R. China |
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Abstract: | Two polyamine copper(II) complexes were synthesized by the reaction between N,N,N′,N′-tetrakis(2′-aminoethyl)propane-1,2-diamine hexahydrochloride and copper(II) perchlorate under almost the same conditions
except for reaction temperature. The crystal structures of two complexes were determined by X-ray diffraction techniques,
which shows that one of the complexes is unexpected and is a double chlorine or chloride-bridged dinuclear copper(II) complex
formed by two diethylenetriamines, and another is a pentadentate mononuclear copper(II) complex composed of homo-protonated
N,N,N′,N′-tetrakis(2′-aminoethyl)propane-1,2-diamine. The mechanism of the reaction leading to form the unexpected complex was discussed.
The UV-visible spectra and cyclic voltammogram of the complexes were measured. |
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