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Journal of Coordination Chemistry
Year: 2008  |  Volume: 61  |  Issue: 12  |  Page No.: 1973 - 1982

A thiophenopolyamine Cu(II) complex fixed by atmospheric carbon dioxide: synthesis, structure and properties

Dan Hu, Lei Chen, Zhi-Quan Pan, Huan Liu, Xiang-Gao Meng and You Song    

Abstract: A new trinuclear complex, lcub[Cu(L)]33-CO3)rcub(ClO4)4 (L = N-(2-thiophenoethyl)-N,N-bis (3-aminopropyl)amine), was synthesized and characterized by single-crystal X-ray analysis. The complex contained three identical mononuclear copper(II) units connected by the μ3-carbonate formed from atmospheric carbon dioxide. The electronic and magnetic properties were studied by cyclic voltammetry and the measurement of magnetic susceptibility, respectively. The μ3-bridging model revealed weak ferromagnetic coupling of Cu(II), with the J value of -11.28 cm-1 and the Zeeman splitting g value of 2.06, which were determined by means of magnetic measurements in the 2-300 K range.

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