The trinuclear Cu（Ⅱ） and Zn（Ⅱ） complexes [（CuTPA）<sub>3</sub>（μ3-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub>（1） and [（ZnTPA）<sub>3</sub>...The trinuclear Cu（Ⅱ） and Zn（Ⅱ） complexes [（CuTPA）<sub>3</sub>（μ3-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub>（1） and [（ZnTPA）<sub>3</sub>（μ<sub>3</sub>-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub> （2） （TPA=tri（pyridylmethyl） amine） have been synthesized. X-ray structure analysis of the two complexes proves that CO<sub>3</sub><sup>2-</sup> anion has an unusual triply bridging ligand, bridging three CuTPA and ZnTPA units respectively, and assembles new trinuclear complexes. The CO<sub>3</sub><sub>2-</sub> comes from atmospheric CO<sub>2</sub>. The structure of each trinuclear unit consists of three copper or zinc atoms in a five-coordinate triangular bipyramidal environment. The [（CuTPA）<sub>3</sub> （μ<sub>3</sub>-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub> 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）<sub>3</sub>（μ3-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub>（1） and [（ZnTPA）<sub>3</sub>（μ<sub>3</sub>-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub> （2） （TPA=tri（pyridylmethyl） amine） have been synthesized. X-ray structure analysis of the two complexes proves that CO<sub>3</sub><sup>2-</sup> anion has an unusual triply bridging ligand, bridging three CuTPA and ZnTPA units respectively, and assembles new trinuclear complexes. The CO<sub>3</sub><sub>2-</sub> comes from atmospheric CO<sub>2</sub>. The structure of each trinuclear unit consists of three copper or zinc atoms in a five-coordinate triangular bipyramidal environment. The [（CuTPA）<sub>3</sub> （μ<sub>3</sub>-CO<sub>3</sub>）] （ClO<sub>4</sub>）<sub>4</sub> compound shows a very weak antiferromagnetic coupling.
