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首页> 外文期刊>Journal of chemical crystallography >A recurrent motive in the supramolecular assembly of coordination compounds with 2,6-bis(benzimidazol-2-yl)piridine (Bzimpy) and two identical H-bond acceptor Co-ligands: [Cd(Ac)_2(Bzimpy)], [Zn(Ac)_2(Bzimpy)] ·H_2O (Ac:Acetato) and related compounds
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A recurrent motive in the supramolecular assembly of coordination compounds with 2,6-bis(benzimidazol-2-yl)piridine (Bzimpy) and two identical H-bond acceptor Co-ligands: [Cd(Ac)_2(Bzimpy)], [Zn(Ac)_2(Bzimpy)] ·H_2O (Ac:Acetato) and related compounds

机译：具有2,6-双（苯并咪唑-2-基）吡啶（Bzimpy）和两个相同的H键受体共配体的配位化合物的超分子组装中的重复性动机：[Cd（Ac）_2（Bzimpy）]，[ Zn（Ac）_2（Bzimpy）]·H_2O（Ac：Acetato）及相关化合物

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We report the crystal structures of two novel coordination compounds with similar complex composition: [Cd(Ac)_2(Bzimpy)] (I) and [Zn(Ac)_2(Bzimpy)]·H_2O (II). Both compounds are monomeric. Compound I consists of a Cd(II) center heptacoordinated with three N atoms from a Bzimpy molecule and four O atoms from two bidentate acetato molecules. Compound II consists of a Zn(II) center pentacoordinated with three N atoms from a Bzimpy molecule and two O atoms from two monodentate acetato molecules. A non-coordinated water molecule completes the formula. In addition, we highlight some common features in the supramolecular assembly of both compounds and with similar structures deposited in the version 5.33 of the CSD. This assembly occur through H-bridges and π-π offset stacked interactions, giving rise to the formation of what we call "directed ring" of two types: two molecular components ~2Rd and three molecular components ~3Rd. Structures are viewed as composed of well defined substructures in order to analyze them.
机译：我们报告了具有相似复杂组成的两种新型配位化合物的晶体结构：[Cd（Ac）_2（Bzimpy）]（I）和[Zn（Ac）_2（Bzimpy）]·H_2O（II）。两种化合物均为单体。化合物I由一个Cd（II）中心庚配成，该中心与一个Bzimpy分子中的三个N原子和来自两个双齿醋酸盐分子的四个O原子配位。化合物II由一个Zn（II）中心组成，该中心与一个Bzimpy分子的三个N原子和来自两个单齿乙酰基分子的两个O原子配位。非配位的水分子完善了配方。此外，我们重点介绍了这两种化合物的超分子组装中的一些共同特征，并在CSD版本5.33中沉积了相似的结构。这种组装是通过H桥和π-π偏移堆叠相互作用发生的，从而形成了我们称为“有向环”的两种类型：两个分子成分〜2Rd和三个分子成分〜3Rd。为了分析结构，将结构视为由定义明确的子结构组成。

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