首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >A new one-dimensional cadmium(ll) coordination polymer incorporating 4-[4-(1H-imidazol-1-yl)-phenyl]pyridine and 5-hydroxybenzene-1,3-di-carboxylate ligands
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A new one-dimensional cadmium(ll) coordination polymer incorporating 4-[4-(1H-imidazol-1-yl)-phenyl]pyridine and 5-hydroxybenzene-1,3-di-carboxylate ligands

机译:一种新的一维镉(LL)配位聚合物,其包含4- [4-(1H-咪唑-1-基) - 苯基]吡啶和5-羟基苯-1,3-二羧酸盐配体

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摘要

The design and synthesis of new organic lgands is important to the rapid development of coordination polymers (CPs). However, CPs based on asymmetric ligands are still rare, mainly because such ligands are usually expensive and more difficult to synthesize. The new asymmetric ligand 4-[4-(lH-imidazol-l-yl)phenyl]pyridine (IPP) has been used to construct the title one-dimensional coordination polymer, cafma-poly[[[aqua{4-[4-(li/-imidazol-l-yl-/dV3)-phenyl]pyridine}cadmium(II)]-/^-5-hydroxybenzene-l,3-dicarboxylato-/c:3O ,O :O3] monohydrate], {[Cd(C8H4Os)(C14H11N3)2(H2O)]-H2O}n, under hydrothermal reaction of IPP with Cd11 in the presence of 5-hydroxyisophthalic acid (5-OH-H2bdc). The Cd11 cation is coordinated by two N atoms from two distinct IPP ligands, three carboxylate O atoms from two different 5-OH-bdc2~ dianionic ligands and one water O atom in a distorted octahedral geometry. The cationic [Cd(IPP)2]2+ nodes are linked by 5-OH-bdc2~ ligands to generate a one-dimensional chain. These chains are extended into a two-dimensional layer structure via O—H- ? -O and O—H- ? -N hydrogen bonds and it-it interactions.
机译:新的有机LGAND的设计和合成对于协调聚合物的快速发展是重要的(CPS)。然而,基于不对称配体的CPS仍然罕见,主要是因为这种配体通常是昂贵的且难以合成的。新的不对称配体4- [4-(LH-咪唑-1-基)苯基]吡啶(IPP)已用于构建标题一维配位聚合物,Cafma-poly [[[Aqua {4- [4- (Li / -imidazol-L-YL-/ DV3) - 苯基]吡啶}镉(ii)] - / ^ - 5-羟基苯-1,3-二羧酸盐 - / C:3O,O:O 3]一水合物],{ [Cd(C1H 4孔)(C14H11N3)2(C14H11N3)2(H 2 O)] - H 2 O} N,在IPP的水热反应下,CD11在5-羟基苯甲酸(5-OH-H2BDC)存在下。 CD11阳离子由来自两个不同的IPP配体的两种原子配位,来自两个不同5-OH-BDC2〜Dianionic配体的三种羧酸盐O原子,扭曲的八面体几何形状中的一个水O原子。阳离子[CD(IPP)2] 2+节点由5-OH-BDC2〜配体连接以产生一维链。这些链通过O-H-延伸成二维层结构 - ? -o和o-h-? -N氢键和它 - IT相互作用。

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