The trinuclear Cu( Ⅱ) and Zn(Ⅱ) complexes [ ( CuTPA)3 (μ3-CO3) ] ( ClO4)4(Ⅰ) and [ ( ZnTPA)3μ3-CO3)](ClO4)4 (2) (TPA = tri(pyridylmethyl)amine) have been synthesized. X-ray structure analysis of the two complexes...The trinuclear Cu( Ⅱ) and Zn(Ⅱ) complexes [ ( CuTPA)3 (μ3-CO3) ] ( ClO4)4(Ⅰ) and [ ( ZnTPA)3μ3-CO3)](ClO4)4 (2) (TPA = tri(pyridylmethyl)amine) have been synthesized. X-ray structure analysis of the two complexes proves that CO32- anion has an unusual triply bridging ligand, bridging three CuTPA and ZnTPA units respectively , and assembles new trinuclear complexes. The CO32- comes from atmospheric CO2 . The structure of each trinuclear unit consists of three copper or zinc atoms in a five-coordinate triangular bipyramidal environment. The [ (CuTPA)3(μ3-CO3)](C1O4)4 compound shows a very weak antiferromagnetic coupling.展开更多
基金Project supported by the National Natural Science Foundation of China (Gran No .29771021).
文摘The trinuclear Cu( Ⅱ) and Zn(Ⅱ) complexes [ ( CuTPA)3 (μ3-CO3) ] ( ClO4)4(Ⅰ) and [ ( ZnTPA)3μ3-CO3)](ClO4)4 (2) (TPA = tri(pyridylmethyl)amine) have been synthesized. X-ray structure analysis of the two complexes proves that CO32- anion has an unusual triply bridging ligand, bridging three CuTPA and ZnTPA units respectively , and assembles new trinuclear complexes. The CO32- comes from atmospheric CO2 . The structure of each trinuclear unit consists of three copper or zinc atoms in a five-coordinate triangular bipyramidal environment. The [ (CuTPA)3(μ3-CO3)](C1O4)4 compound shows a very weak antiferromagnetic coupling.
