| 基于柔性双吡啶双酰胺和两种不同多羧酸配体的三个Cu(Ⅱ)/Co(Ⅱ)配位聚合物:组装、结构和性质 |
| Three Cu(Ⅱ)/Co(Ⅱ) Coordination Polymers Constructed From a Flexible Bis-pyridyl-bis-amide and Two Different Polycarboxylates: Assembly, Structure and Properties |
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| 摘要: 通过水热合成得到3个有机金属配位聚合物,即[Cu(1,2-BDC)(L)] (1),[Cu(HBTC)(L)]·2H2O (2),[Co(HBTC)(L)]·H2O(3),(L=N,N-双(3-氨基吡啶)乙二酰胺,1,2-H2BDC=1,2-邻苯二甲酸和H3BTC=1,3,5-均苯三甲酸)。配合物1是基于1D[Cu-1,2-BDC]n和[Cu-L]n链形成的一个3D CdSO4-型拓扑结构。配合物2~3是同构的,均显示出2D双层(3,5)-连接的{42·67·8}{42·6}拓扑结构。相邻的2D双层网络通过分子间的氢键(配合物2)和π-π堆积(配合物3)作用进一步拓展成3D超分子框架。我们对芳香羧酸和中心金属离子对配合物结构的影响进行了详细的讨论。此外,还研究了配合物1~3的电化学性质和固态荧光性质。 |
| 关键词: 配位聚合物 柔性双吡啶双酰胺配体 多羧酸 荧光性质 电化学性质 |
| 基金项目: 国家自然科学基金(No.21171025; 21201021)资助项目 |
| Abstract: Three metal-organic coordination polymers, namely [Cu(1,2-BDC)(L)] (1), [Cu(HBTC)(L)]·2H2O (2), [Co(HBTC)(L)]·H2O (3), (L=N,N-bis(3-pyridyl)oxamide, 1, 2-H2BDC=1,2-benzenedicarboxylic acid and H3BTC=1, 3, 5-benzenetricarboxylic acid) have been synthesized under hydrothermal conditions. Complex 1 shows a 3D coordination framework based on 1D [Cu-1,2-BDC]n chains and [Cu-L]n chains, which represents a CdSO4-type topology. Complexes 2~3 are isostructural and exhibit a 2D double-layer network with (3, 5)-connected {42·67·8}{42·6} topology. The adjacent 2D double-layers are extended into 3D supramolecular networks by hydrogen bonding interactions in 2 and π-π stacking interactions in 3. The effects of polycarboxylates and central metal ions on the structures of the title complexes are discussed. In addition, the electrochemical behavior and the solid state fluorescent properties for complexes 1~3 have been determined. CCDC: 967866, 1; 967865, 2; 967864, 3. |
| Keywords: coordination polymer flexible bis-pyridyl-bis-amide ligand polycarboxylate fluorescent property electrochemical behavior |
| 投稿时间：2014-05-13 修订日期：2014-09-01 |
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| 王秀丽,隋芳芳,林宏艳,栾健,刘国成.基于柔性双吡啶双酰胺和两种不同多羧酸配体的三个Cu(Ⅱ)/Co(Ⅱ)配位聚合物:组装、结构和性质[J].无机化学学报,2014,30(11):2626-2634. |
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