首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >Assembly of ZnII and CdII coordination polymers with different dimensionalities based on the semi-flexible 3-(1H-benzimidazol-2-yl)propanoic acid ligand
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Assembly of ZnII and CdII coordination polymers with different dimensionalities based on the semi-flexible 3-(1H-benzimidazol-2-yl)propanoic acid ligand

机译:基于半柔性的3-(1H-苯并咪唑-2-基)丙酸配体组装不同尺寸的ZnII和CdII配位聚合物

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摘要

Two new coordination polymers, namely, poly[[μ3-3-(1H-benzimidazol-2-yl)propionato]zinc(II)], [Zn(C10H8N2O2)]n, (>1), and poly[bis­[μ2-3-(1H-benzimid­azol-2-yl)propionato]cadmium(II)], [Cd(C10H8N2O2)2]n, (>2) have been synthesized from 3-(1H-benzoimidazol-2-yl)propanoic acid ligands through a mixed-ligand synthetic strategy under a solvothermal environment, and studied by single-crystal X-ray diffraction. Complex >1 crystallizes in the ortho­rhom­bic space group Pbca and features a two-dimensional structure formed by a binuclear Zn2O4 core. Complex >2, however, crystallizes in the monoclinic space group P21/c and forms a one-dimensional chain structure. The ZnII and CdII ions have different coordination numbers and the 3-(1H-benzoimidazol-2-yl)propano­ate ligands display different coordination modes. The structures reported here show the importance of the selection of metal ions and suitable ligands.
机译:两种新的配位聚合物,即[[μ3-3-(1H-苯并咪唑-2-基)丙酸酯化]锌(II)],[Zn(C10H8N2O2)] n,(> 1 ),和聚[双[μ2-3-(1H-苯并咪唑-2-基)丙酸酯]镉(II),[Cd(C10H8N2O2)2] n,(> 2 )已由3合成-(1H-苯并咪唑-2-基)丙酸配体通过溶剂热环境下的混合配体合成策略,并通过单晶X射线衍射进行了研究。复合物> 1 在正交空间群Pbca中结晶,并具有由双核Zn2O4核形成的二维结构。然而,复合物> 2 在单斜空间群P21 / c中结晶并形成一维链结构。 Zn II 和Cd II 离子具有不同的配位数,3-(1H-苯并咪唑-2-基)丙酸酯配体表现出不同的配位方式。此处报道的结构表明选择金属离子和合适的配体的重要性。

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