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Synthesis and crystal structure of polymer cobalt(II) complex, 1,2,4,5-benzenetetracarboxylate hexaimidazole tetraaqua cobalt (II) tetrahydrate 被引量:5

Synthesis and crystal structure of polymer cobalt(II) complex, 1,2,4,5-benzenetetracarboxylate hexaimidazole tetraaqua cobalt (II) tetrahydrate
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摘要 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. 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.
出处 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2000年第4期546-550,共0页 中国化学(英文版)
基金 Project (No. 19990525) supported by the Education Commision of Zhejiang Province.
关键词 Polymer cobalt (II) complex crystal structure octahedron geometry 1 2 4 5-benzenetetracarboxylic anion bridged Polymer cobalt (II) complex crystal structure octahedron geometry 1,2,4,5-benzenetetracarboxylic anion bridged
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