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中文摘要：
采用溶剂热法，丁烷四羧酸（H4L）与水合乙酸钴经配位聚合反应合成了一个新型的双核Co（Ⅱ）聚合物[Co2L（MeOH）（H2O）4]n·nH2O（1），其结构经元素分析和单晶X-射线衍射表征。1属单斜晶系，C2／c空间群，晶胞参数D=2．8026（3）nm，b=0．81632（11）nm，c=1．6301（2）nm，β=119．793（2）°，V=3．2365（7）nm^3，Z=8，Dc=1．925Mg·cm^-3，R1=0．0975，wR2=0．2231。1通过H4L桥联形成一维链，通过O-H…O氢键作用形成了无限延伸的二维网络结构；在1中存在的分子内及分子间氢键使1具有三维网络结构。
英文摘要：
A novel cobalt（ II ） polymer, [Co2L（MeOH）（H2O）4]n·nH2O（1） , was synthesized by the coordination polymerization of cobalt acetate with H4L[ 1,2,3,4-butane tetracarboxylic acid） by solvothermal method. The structure was characterized by elemental analysis and single crystal X-ray diffraction. 1 belongs to monoclinic system, C2/c space group with the a = 2. 802 6 （3） nm, b = 0.816 32（11） nm, c=1.630 1（2） nm, β=119.793（2）°, V=3.236 5（7） nm^3, Z=8, Dc= 1.925 Mg · cm^-3, R1 =0.097 5, wR2 =0.223 1. Adjacent Co（ Ⅱ ） are bridged by the H4L ligand to construct 1 D chain structure, which is extended to 3D framework through the hydrogen bonds.
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