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新型双核Co(Ⅱ)聚合物{[Co_2L(MeOH)(H_2O)_4]_n·nH_2O}的合成及其晶体结构 被引量:1

Synthesis and Crystal Structure of a Novel Cobalt(Ⅱ) Polymer{[Co_2 L(MeOH)(H_2O)_4]_n ·nH_2O}
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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)nm3,Z=8,Dc=1.925 Mg.cm-3,R1=0.097 5,wR2=0.223 1。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。 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.
出处 《合成化学》 CAS CSCD 北大核心 2013年第3期285-288,共4页 Chinese Journal of Synthetic Chemistry
基金 国家自然科学基金资助项目(21161006) 广西创新项目(2010105960817M03)
关键词 溶剂热法 Co(Ⅱ)聚合物 合成 晶体结构 solvothermal method Co ( Ⅱ ) polymer synthesis crystal structure
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同被引文献8

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  • 5XIE X F,CHEN S P,XIA Z Q,et al.Construction of metal-organic frameworks with transitional metals based on the 3,5-bis(4-pyridyl)-1H-1,2,4-triazole ligand[J].Polyhedron,2009,28(4):679-688.
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  • 7杜燕军,许志献.含有酰胺键的三核钴配合物的制备和表征[J].信阳师范学院学报(自然科学版),2013,26(3):389-391. 被引量:1
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