Synthesis, crystal structures and luminescent properties of zinc(II) and cadmium(II) complexes with N,N-bis(pyridin-3-yl)-2,6-pyridinedicarboxamide

Zhang FL; Zhu Y; Zheng JM; Du CX; Wu YJ

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Synthesis, crystal structures and luminescent properties of zinc(II) and cadmium(II) complexes with N,N-bis(pyridin-3-yl)-2,6-pyridinedicarboxamide

机译：N，N-双（吡啶-3-基）-2,6-吡啶二甲酰胺与锌（II）和镉（II）配合物的合成，晶体结构和发光性能

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The assembly of Zn(II) and Cd(II) centers with different counter anions and XIL ligand (XIL = N,N-bis(pyridin-3-yl)-2,6-pyridinedicarboxamide) gave rise to three new coordination complexes, Zn(XIL)Cl-2 center dot DMF (1), [Zn(XIL)(2)(SCN)(2)center dot 2H(2)O](n) (2) and [Cd(XIL)(2)(SCN)(2)center dot 2H(2)O](n) (3). Complex 1 exists as a centrosymmetric dimer with XIL as exo-bidentate ligand bridging two ZnCl2 units. The dinner forms a 3D supermolecular structure through the hydrogen bonding and strong pi-pi stacking interactions. Complexes 2 and 3 are isostructural with a 1 D double-chain configuration with XIL as bridging ligand and SCN- as terminal ligand. Among the three complexes, complex 1 exhibits the strongest photoluminescence.

机译：具有不同抗衡阴离子和XIL配体（XIL = N，N-双（吡啶-3-基）-2,6-吡啶二甲酰胺）的Zn（II）和Cd（II）中心的组装产生了三个新的配位络合物， Zn（XIL）Cl-2中心点DMF（1），[Zn（XIL）（2）（SCN）（2）中心点2H（2）O]（n）（2）和[Cd（XIL）（2））（SCN）（2）中心点2H（2）O]（n）（3）。配合物1以中心对称二聚体的形式存在，而XIL是桥接两个ZnCl2单元的双齿配体。晚餐通过氢键和强大的pi-pi堆积相互作用形成3D超分子结构。配合物2和3是具有一维双链构型的同构结构，其中XIL为桥连配体，SCN-为末端配体。在这三种配合物中，配合物1表现出最强的光致发光。

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《Journal of Molecular Structure》 |2009年第3期|共6页
作者
Zhang FL; Zhu Y; Zheng JM; Du CX; Wu YJ;
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正文语种 eng
中图分类分子结构;
关键词
Zinc; Cadmium; Coordination polymer; Crystal structure; Photoluminescence;

机译：锌;镉;配位聚合物;晶体结构;光致发光;

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Synthesis, crystal structures and luminescent properties of zinc(II) and cadmium(II) complexes with N,N-bis(pyridin-3-yl)-2,6-pyridinedicarboxamide

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