A series of 1D, 2D and 3D coordination polymers based on a 5-(benzonic-4-ylmethoxy)isophthalic acid: syntheses, structures and photoluminescence
作者:Ying-Ying Liu、Jing Li、Jian-Fang Ma、Ji-Cheng Ma、Jin Yang
DOI:10.1039/c1ce05639e
日期:——
Seven new coordination polymers, namely, [Zn(HL)(H2O)] (1), [Zn(HL)(phen)]·1.5H2O (2), [Zn(HL)(L1)] (3), [Zn2(HL)2(L2)2]·2H2O (4), [Zn(HL)(L3)0.5] (5), [Zn(HL)(L4)] (6) and [Cu2(L)(OH)(H2O)]·0.5H2O (7) (H3L = 5-(benzonic-4-ylmethoxy) isophthalic acid, phen = 1,10-phenathroline, L1 = 1,2-bis(1,2,4-triazole-1-yl)ethane, L2 = 1,3-bis(1,2,4-triazole-1-yl)propane, L3 = 1,6-bis(1,2,4-triazole-1-yl)hexane and L4 = 4,4′-bis(1,2,4-triazole-1-ylmethyl)biphenyl), have been hydrothermally synthesized and characterized by single-crystal X-ray diffraction. In compounds 1–6, the H3L ligand is partially deprotonated to form HL2−, while it is completely deprotonated in 7. Compound 1 shows a 3D framework with 4-connected (42·7·83)2 topology. Compound 2 displays a 1D ribbon structure. The neighboring ribbons are further linked by hydrogen-bonding interactions to form a 3D supramolecular architecture. Compound 3 exhibits a 2D undulated sheet. The sheets are further penetrated into each other to give rise to a 3D polycatenation structure. Compound 4 displays a 2D supramolecular layer structure. Compound 5 shows a 3D (3,6)-connected (4·8)(4·82·103) net. Compound 6 reveals a 3D four-fold interpenetrating diamondoid architecture. Compound 7 displays a (3,8)-connected (4·62)(44·68·812·104) topology. These compounds have been characterized by powder X-ray diffractions (PXRD) and thermal gravimetric analyses (TGA). In addition, the photoluminescent behaviours of 1–6 have been investigated in detail.
七种新的配位聚合物,即[Zn(HL)(H2O)] (1)、[Zn(HL)(phen)]·1.5H2O (2)、[Zn(HL)(L1)] (3)、[Zn2(HL)2(L2)2]·2H2O (4)、[Zn(HL)(L3)0.5] (5)、[Zn(HL)(L4)] (6) 和 [Cu2(L)(OH)(H2O)]·0.5H2O (7) (H3L = 5-(苯甲酰-4-基甲氧基)间苯二甲酸,phen = 1,10-菲咯啉,L1 = 1,2-双(1,2,4-三唑-1-基)乙烷,L2 = 1,3-双(1,2,4-三唑-1-基)丙烷,L3 = 1,6-双(1,2,4-三唑-1-基)己烷和 L4 = 4,4'-双(1,2,4-三唑-1-基甲基)联苯),通过水热合成法制备,并通过单晶 X 射线衍射进行了表征。在化合物 1-6 中,H3L 配体部分去质子化形成 HL2-,而在化合物 7 中完全去质子化。化合物 1 显示出一个具有 4 连接 (42·7·83)2 拓扑结构的 3D 框架。化合物 2 展示了一个 1D 带状结构,相邻带状结构通过氢键相互作用进一步连接,形成一个 3D 超分子结构。化合物 3 展示了一个 2D 波状片层结构,片层之间进一步相互穿插,形成一个 3D 多链结构。化合物 4 展示了一个 2D 超分子层结构。化合物 5 显示出一个 3D (3,6)-连接 (4·8)(4·82·103) 网络。化合物 6 揭示了一个 3D 四重穿插金刚石结构。化合物 7 展示了一个 (3,8)-连接 (4·62)(44·68·812·104) 拓扑结构。这些化合物通过粉末 X 射线衍射 (PXRD) 和热重分析 (TGA) 进行了表征。此外,化合物 1-6 的光致发光行为也进行了详细研究。