Synthesis and crystal structure of polymer cobalt(II) complex, 1,2,4,5-benzenetetracarboxylate hexaimidazole tetraaqua cobalt (II) tetrahydrate |
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| Authors: | WANG Shun HU Mao-Ling YUAN Ji-XinCHENG Ya-Qian LIN Juan-Juan HUANG Zhen-Yan |
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| Institution: | WANG,Shun HU,Mao-Ling YUAN,Ji-XinCHENG,Ya-Qian LIN,Juan-Juan HUANG,Zhen-YanDepartment of Chemistry,Wenzhou Teachers College,Wenzhou,Zhejiang 325003,China |
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| Abstract: | The crystal structure of the title complex { Co (TCB)2/2‐(IMI)2(H2O)2]Co(IMI)4(H2O)2]}(H2O)4 (where TCB = 1,2,4,5‐benzenetetracarboxylic anion; IMI= imidazole) has been determined by X‐ray diffraction method. Crystal data for {Co(TCB)2/2(IMI)2(H2O)2]Co(IMI)4(H2O)2]}‐(H2O)4: triclinic, space group P 1, a = 1.0647(2) nm, b =1.1165(1) nm, c = 1.00361(1) nm, α = 91.56(1)°, β = 111.34(1)°, γ= 115.642(10)°, V = 0.9772(3) nm3, Z = l. The polymer cobalt(II) complex has a novel three‐dimension network structure. Co(1) atom and Co(2) atom both are coordinated in an octahedral arrangement and located in the center of the coordination anion and the center of the coordination cation, respectively. Moreover four carboxyl groups of TCB are divided into two types, two para‐carboxyl groups bridge Co (1) atom in monodentate fashion and other two para‐carboxyl groups are in free. |
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| Keywords: | Polymer cobalt (II) complex crystal structure octahedron geometry 1 2 4 5‐benzenetetracarboxylic anion bridged |
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