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用配体3-吡啶磺酸和Cu(II)盐反应合成了配合物[Cu(psa)2(H2O)2](1)(Hpsa：3-吡啶磺酸)，用单晶X-射线和元素分析对生成的晶体进行了表征。晶体结构研究表明Cu( II)中心采取六配位的扭曲的八面体几何构型，配体psa-的磺酸基仅有一个O原子参与配位，吡啶环的N原子也参与了配位，整个psa-配体作为二齿的桥连结2个Cu( II)离子形成二维层结构，通过O-H…O氢键将二维层结合在一起形成三维结构。研究了1的循环伏安性质。“,”A new complex [Cu(psa)2(H2O)2] (1) (Hpsa:3-Pyridinesulfonic acid) has been synthesized and characterized by single crystal X-ray diffraction studies and elemental analysis. In compound 1, one Cu ( II) ion coordinates with four O atoms and two N atoms, with a six-coordinated distorted octahedral geometry. The sulfonate group of psa-only provides one oxygen to coordinate with Cu ( II) ion. The N atom of the ring of pyridine partici-pates in coordination. The whole anion psa-acts as a bidentate bridge to connect adjacent Cu ( II) atoms, resulting in a 2D layer structure. Further, these two-dimensional layers are linked together by O-H…O to give rise to a three-dimensional structure. The cyclic voltammetric property of 1 is investigated.