Synthesis and Structural Characterization of Bis(2,2'-bpy)bis(azide)cobalt(III) nitrate dihydrate |
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作者姓名: | 陈宏基 |
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作者单位: | Department of Chemistry, Jinan University, Guangzhou 510632, China
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摘 要: | The title complex CoIII(2, 2?-bpy)2(N3)2]@NO3@2H2O was obtained by an auto-oxidization reaction of cobalt nitrate with 2, 2?-bpy and sodium azide in aqueous solution at room temperature, and violet single crystals were prepared in ethanol solution. The structure was determined by X-ray crystallography. The crystal is of triclinic, space group P ī with a = 8.285(4), b = 11.990(8), c = 12.596(7) ?, ( = 86.630(3), ( = 86.280(5), ( = 71.130(10)°, C20H20CoN11O5, Mr = 553.40, Z = 2, V = 1180.6(12) ?3, F(000) = 568, Dc = 1.557 g/cm3, ( = 0.784 mm-1, R = 0.0403 and wR = 0.1008. The title complex consists of a CoⅢ(2, 2?-bpy)2(N3)2]+ cation, a NO3- anion and two lattice water molecules. The center CoⅢ ion coordinated by two chelating 2, 2?-bpy ligands and two terminal azide groups with a CoN6 coordination environment exhibits a distorted octahedral geometry.
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关 键 词: | complex 2 2′-bipyridine sodium azide synthesis crystal structure |
Synthesis and Structural Characterization of Bis(2, 2′-bpy)bis(azide)cobalt(III) nitrate dihydrate |
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Abstract: | The title complex CoIII(2, 2?bpy)2(N3)2]種O3?H2O was obtained by an auto-oxidization reaction of cobalt nitrate with 2, 2-bpy and sodium azide in aqueous solution at room temperature, and violet single crystals were prepared in ethanol solution. The structure was determined by X-ray crystallography. The crystal is of triclinic, space group P ?with a = 8.285(4), b = 11.990(8), c = 12.596(7) ? a = 86.630(3), b = 86.280(5), g = 71.130(10)? C20H20CoN11O5, Mr = 553.40, Z = 2, V = 1180.6(12) ?, F(000) = 568, Dc = 1.557 g/cm3, m = 0.784 mm-1, R = 0.0403 and wR = 0.1008. The title complex consists of a CoⅢ(2, 2?bpy)2(N3)2]+ cation, a NO3- anion and two lattice water molecules. The center CoⅢ ion coordinated by two chelating 2, 2?bpy ligands and two terminal azide groups with a CoN6 coordination environment exhibits a distorted octahedral geometry. |
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Keywords: | complex 2 2′-bipyridine sodium azide synthesis crystal structure |
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