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以具有芳香基团的3-(9-甲基-芴基)-丙酸(FluCO2H)和N-咔唑基丙酸(CarbCO2H)为配体,合成了5种具有双核铜结构的配合物[Cu2(FluCO2)4(CH3OH)2](1),[Cu2(FluCO2)4(DMF)2](2),[Cu2(FluCO2)4(4,4′-bipy)2]n(3),[Cu2(CarbCO2)4(CH3CN)2](4),[Cu2(CarbCO2)3(2,2′-bipy)2]ClO4(5)。晶体结构测试表明:配合物1,2和4都具有羧酸桥联的车轮状结构单元,其结构单元轴向位置分别由甲醇,二甲基甲酰胺和乙腈分子占据。配合物3中,车轮状双核铜结构单元通过4,4′-联吡啶连接构成一维链。配合物5的双核铜结构单元则是通过三个羧酸桥联形成。
Five kinds of complexes with binuclear copper structure were synthesized using 3- (9-methyl-fluorenyl) -propionic acid (FluCO2H) and N-carbazolylpropionic acid (CarbCO2H) (2), [Cu2 (FluCO2) 4 (CH3OH) 2] (1), [Cu2 (FluCO2) 4 (DMF) 2] [Cu2 (CarbCO2) 4 (CH3CN) 2] (4), [Cu2 (CarbCO2) 3 (2,2’-bipy) 2] ClO4 (5). The crystal structure tests show that all the complexes 1, 2 and 4 have car-bridged car-like structural units whose axial positions of the structural units are respectively occupied by methanol, dimethylformamide and acetonitrile molecules. In the complex 3, the wheel-shaped binuclear copper structure units are connected by 4,4’-dipyridyl to form a one-dimensional chain. The binuclear copper structure unit of complex 5 is formed by bridging three carboxylic acids.