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Hydrothermal Synthesis, Crystal Structure and Magnetic Property of a Novel Pentanuclear Copper(Ⅱ) Complex: [Cu5(SIP)2(HSIP)2(H2O)18](H2O)5
作者单位:LIU Qing-Yan,WANG Yu-Ling(College of Chemistry and Chemical Engineering,Jiangxi Normal University, Nanchang 330022, China);XU Li(Fujian Institute of Research on the Structure of Matter,The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China)  
摘    要:The pentanuclear complex, Cu5(SIP)2(HSIP)2(H2O)18](H2O)5 (H3SIP=5-sulfoi-sophthalic acid), has been synthesized by the hydrothermal reaction of CuCl2 with NaH2SIP at 160 ℃, and characterized by single-crystal X-ray diffraction and IR spectrum. The crystal of the complex crystallizes in a trielinic system, space group P1, with a = 7.0018(5), b = 11.9725(8), c = 19.0424(13) A, α = 78.8540(10), β = 85.1710(10),γ = 83.6080(10)~, V = 1553.24(19) A3, Z = 1, C32H60O51S4Cu5, Mr= 1706.74, Dc= 1.825 g/cm3,μ = 1.937 mm-1, F(000) = 869, the final R = 0.0709 and wR = 0.1503 for 4235 observed reflections with I > 2σ(I). The five Cu2+ ions are connected by two symmetry-related tridentate SIP3- ligands and charge-balanced by two monodentate HSIP2- ligands, giving a discrete pentanuclear structure. The pentanuclear copper molecules are linked by hydrogen bonds to form a three-dimensional supramolecular structure. The temperature-dependent magnetic susceptibility data revealed weak ferromagnetic magnetic interactions between the Cu2+ ions.

关 键 词:copper(Ⅱ)  complex
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