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Coordination polymer
About: Coordination polymer is a research topic. Over the lifetime, 11988 publications have been published within this topic receiving 212219 citations.
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TL;DR: A relatively inflexible 1D coordination polymer is induced to adopt either planar or quintuple helical supramolecular isomers according to the hydrogen bonding demands of the counter anions.
60 citations
TL;DR: Co-crystallisation of the anionic cyanometallate chromophore [Ru(bipy)(CN)4]2- with Yb(III) provides coordination polymers or oligomers containing Ru-CN-Yb bridges that results in partial quenching of the Ru-based luminescence and sensitised near-IR luminescent from the Yb (III) unit.
Abstract: Co-crystallisation of the anionic cyanometallate chromophore [Ru(bipy)(CN)4]2− with Yb(III) provides coordination polymers or oligomers containing Ru–CN–Yb bridges; in [K(H2O)4][Yb(H2O)6][Ru(bipy)(CN)4]2·5H2O Ru → Yb energy-transfer (k > 5 × 106 s−1) results in partial quenching of the Ru-based luminescence and sensitised near-IR luminescence from the Yb(III) unit.
60 citations
TL;DR: In this article, the X-ray structure determination on 3d (L = 1,1′-dibenzyl-3,3′-ethylenediimidazolin-2,2′-diylidene) reveals the formation of bromide bibridged (Ag 2 LBr 2 ) n chains and a unique supramolecular motif with weak Ag⋯Ag interactions of 3.429
60 citations
TL;DR: The first structural authentication of p-sulfonatocalix[8]arene shows the large host to adopt a "pleated loop" conformation in the solid state.
Abstract: The first structural authentication of p-sulfonatocalix[8]arene shows the large host to adopt a ‘pleated loop’ conformation in the solid state. Each resulting ‘groove’ in the macrocycle is occupied by a 4,4′-dipyridine-N,N′-dioxide molecule in an extended multicomponent lanthanide(III) 3D coordination polymer.
60 citations
TL;DR: Reactions of CuX (X = Br(-), I(-) or CN(-)) with various types of 2,2'-dipyridylamine (dpa) derivatives have been performed via a hydrothermal-solvothermal method and the products have been structurally characterized by X-ray crystallography.
Abstract: Reactions of CuX (X = Br−, I− or CN−) with various types of 2,2′-dipyridylamine (dpa) derivatives have been performed via a hydrothermal–solvothermal method and the products have been structurally characterized by X-ray crystallography. Four ligands with different coordination motifs were employed in the reactions, including angular N,N,N′,N′-tetra(2-pyridyl)-2,6-pyridinediamine (tppda); linear N,N,N′,N′-tetra(2-pyridyl)-1,4-phenylenediamine (tppa) and N,N,N′,N′-tetra(2-pyridyl)biphenyl-4,4′-diamine (tpbpa); and star-shaped tris-[4-(2,2′-dipyridylamino)-phenyl]amine (tdpa), which yielded eight copper(I) complexes exhibiting different stoichiometries of Cu–dpa and variable coordination modes of dpa. The compound [Cu2(tppda)(μ-I)2]n (1) forms a one dimensional (1D) coordination polymer exclusively through double μ2-I bridges, which arranges to two dimensional (2D) metal–organic frameworks (MOFs) via the face-to-face π⋯π stacking interactions from pyridyl rings. The compound [Cu6(tppa)(μ3-Br)6]n (2) forms a 2D network linked through multiple μ3-Br bridges. The compound [Cu2(tppa)(μ-CN)2]n (3) is also a 2D MOF containing 1D (CuCN)n chains. The compounds [Cu(tpbpa)Br]n (4) and [Cu4(tpbpa)2(μ-I)4]n (5) display two different 1D assemblies: a zig-zag chain for 4 and a linear structure for 5. The compound [Cu4(tpbpa)(μ-CN)4]n (6) shows a pseudo-4,82 topological net, while the compound [Cu8(tpbpa)(μ-CN)8]n·2nH2O (7) exhibits a three-dimensional (3D) framework containing a ⋯PM⋯ double helical structure, although both of them contain (CuCN)n chains. The compound [Cu2(tdpa)(μ-I)2]n (8) is a zig-zag chain based on the star-shaped molecule tpda, in which one of three dpa-arms is free of coordination to metal ions. All complexes exhibit luminescence in the solid state.
60 citations