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首页> 外文期刊>Crystal growth & design >Self-Assembly of Metal-Organic Coordination Polymers Constructed from a Versatile Multipyridyl Ligand: Diversity of Coordination Modes and Structures
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Self-Assembly of Metal-Organic Coordination Polymers Constructed from a Versatile Multipyridyl Ligand: Diversity of Coordination Modes and Structures

机译:从通用的多吡啶基配体构造的金属有机配位聚合物的自组装:配位模式和结构的多样性。

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摘要

Six d(10) metal metal-organic coordination polymers, [Zn-2(HtPim)(2)(tp)(2)]center dot 2H(2)O}(n) (1), {[Cd-3(H(0.5)tpim)(4)(pa)(2)(H2O)(2)]center dot 5H(2)O)(n) (2), [Zn(Htpim)(2)(Htma)](n) (3), {[Zn-4(Htpim)(4)(ip)(4)]center dot 2H(2)O}(n) (4), [Cd(Htpim)(ca)](n) (5), and {[Cd-4(Htpim)(2)(D-ca)(4)(H2O)(2)]center dot 5H(2)O)(n) (6) (Htpim 2,4,5-tri(4-pyridyl)-imidazole, H(2)tP = terephthalic acid, H(2)pa = phthalic acid, H(3)tma = trimesic acid, H(2)ip = isophthalic acid, H(2)ca = racemic camphor acid, D-H(2)ca = D-camphor acid), have been prepared and structurally characterized. In all complexes, the rigid ligand Htpim, exhibits different coordination modes and leads to the formation of various architectures. Complex 1 shows a two-dimensional (21)) network with (6,3) topology, where hydrogen-bonding interactions further link these sheets to a three-dimensional (3D) supramolecular structure. Complex 2 exhibits a 2D layer with (5(3))(5(4)) network topology. Complex 3 is a corrugated 2D layer with (4,4) topology, and the separated layers are connected through weak pi-pi stacking interactions to generate a 3D supramolecular architecture. Complex 4 is a rhombic 2D layer with (4,4) topology, and the 3D overlapped array is formed by hydrogen-bonding and pi-pi stacking interactions. A 3D diamondoid framework with 4-fold interpenetration is found in 5. Complex 6 contains a complicated 3D framework, and the vacancy is occupied by the guest water molecules. Their luminescent properties have been investigated in the solid state.
机译:六种d(10)金属-有机金属配位聚合物,[Zn-2(HtPim)(2)(tp)(2)]中心点2H(2)O}(n)(1),{[Cd-3( H(0.5)tpim)(4)(pa)(2)(H2O)(2)]中心点5H(2)O)(n)(2),[Zn(Htpim)(2)(Htma)]( n)(3),{[Zn-4(Htpim)(4)(ip)(4)]中心点2H(2)O}(n)(4),[Cd(Htpim)(ca)](n )(5)和{[Cd-4(Htpim)(2)(D-ca)(4)(H2O)(2)]中心点5H(2)O)(n)(6)(Htpim 2 4,5-三(4-吡啶基)-咪唑,H(2)tP =对苯二甲酸,H(2)pa =邻苯二甲酸,H(3)tma =偏苯三酸,H(2)ip =间苯二甲酸,H (2)ca =外消旋樟脑酸,DH(2)ca = D-樟脑酸)已经制备并进行了结构表征。在所有复合物中,刚性配体Htpim表现出不同的配位方式并导致形成各种结构。配合物1显示具有(6,3)拓扑的二维(21)网络,其中氢键相互作用进一步将这些薄板链接到三维(3D)超分子结构。复合体2展示具有(5(3))(5(4))网络拓扑的2D层。复合体3是具有(4,4)拓扑的波纹2D层,并且分离的层通过弱pi-pi堆叠相互作用连接以生成3D超分子体系结构。配合物4是具有(4,4)拓扑的菱形2D层,并且3D重叠阵列是通过氢键和pi-pi堆叠相互作用形成的。在5中发现具有4倍互穿的3D菱形框架。复合物6包含复杂的3D框架,并且空位被客体水分子占据。已经在固态下研究了它们的发光性质。

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