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首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Novel one- and two-dimensional ZnII coordination polymers based on a versatile 3,6-bis(pyridin-4-yl)phenanthrene-9,10-dione ligand
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Novel one- and two-dimensional ZnII coordination polymers based on a versatile 3,6-bis(pyridin-4-yl)phenanthrene-9,10-dione ligand

机译：基于通用的3,6-双（吡啶-4-基）菲-9,10-二酮配体的新型一维和二维ZnII配位聚合物

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摘要

Two new ZnII coordination polymers, namely, catena-poly[[dibromidozinc(II)]-μ-[3,6-bis(pyridin-4-yl)phenanthrene-9,10-dione-κ2N:N′]], [ZnBr2(C24H14N2O2)]n, (1), and poly[[bromido[μ3-10-hydroxy-3,6-bis(pyridin-4-yl)phenanthren-9-olato-κ3N:N′:O9]zinc(II)] hemihydrate], {[ZnBr(C24H15N2O2)]·0.5H2O}n, (2), have been synthesized through hydrothermal reaction of ZnBr2 and a 60° angular phenanthrenedione-based linker, i.e. 3,6-bis(pyridin-4-yl)phenanthrene-9,10-dione, in different solvent systems. Single-crystal analysis reveals that polymer (1) features one-dimensional zigzag chains connected by weak C—H...π and π–π interactions to form a two-dimensional network. The two-dimensional networks are further stacked in an ABAB fashion along the a axis through C—H...O hydrogen bonds. Layers A and B comprise left- and right-handed helical chains, respectively. Coordination polymer (2) displays a wave-like two-dimensional layered structure with helical chains. In this compound, there are two opposite helical –Zn–HL– chains [HL is 10-hydroxy-3,6-bis(pyridin-4-yl)phenanthren-9-olate] in adjacent layers. The layers are packed in an ABAB sequence and are further connected through O—H...Br and O—H...O hydrogen-bond interactions to form a three-dimensional framework. In (1) and (2), the mutidentate L and HL ligands exhibits different coordination modes.
机译：两种新的ZnII配位聚合物，即catena-poly [[dibromidozinc（II）]-μ-[3,6-bis（pyridin-4-yl）phenanthreneene-9,10-dione-κ2N：N']]，[ ZnBr2（C24H14N2O2）] n，（1）和聚[[溴[μ3-10-羟基-3,6-双（吡啶-4-基）菲蒽-9-olato-κ3N：N'：O9] zinc（ II）]半水合物]，{[ZnBr（C24H15N2O2）]·0.5H2O} n，（2），是通过ZnBr2与60°角菲菲二酮基连接基即3,6-bis（pyridin-在不同溶剂体系中的4-yl）菲-9,10-二酮。单晶分析表明，聚合物（1）具有一维之字形链，这些链通过弱的CHH ...π和π-π相互作用连接而形成二维网络。二维网络进一步沿ABH方式通过CHH ... O氢键堆叠。层A和B分别包含左旋和右旋螺旋链。配位聚合物（2）显示出具有螺旋链的波状二维分层结构。在该化合物中，相邻层中有两条相反的螺旋–Zn–HL–链[HL是10-羟基-3,6-双（吡啶-4-基）菲蒽-9-油酸酯]。这些层按ABAB顺序堆积，并且进一步通过OH ... Br和OH ... O氢键相互作用连接以形成三维框架。在（1）和（2）中，突变的L和HL配体表现出不同的配位模式。

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