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链状聚[[[μ-水合-五水合-二锌(II)]-μ(4)-苯-1,2,4,5-四羧酸根]二水合物]

catena-Poly[[[μ-aqua-penta-aqua-dizinc(II)]-μ(4)-benzene-1,2,4,5-tetra-carboxyl-ato] dihydrate].

作者信息

Rotondo Archimede, Bruno Giuseppe, Nicoló Francesco, Cento Angelo

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Jul 11;65(Pt 8):m915-6. doi: 10.1107/S160053680902666X.

DOI:10.1107/S160053680902666X
PMID:21583373
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2977204/
Abstract

The asymmetric unit of the title compound, {[Zn(2)(C(10)H(2)O(8))(H(2)O)(6)]·2H(2)O}(n), contains two distinct Zn atoms joined by a bridging water molecule and two bridging carboxyl-ate groups belonging to distinct halves of benzene-1,2,4,5-tetra-carboxyl-ate (tbec) tetra-anionic ligands, both lying on crystallographic inversion centres. The structure of this new isopolymorphic one-dimensional coordination polymer features asymmetric bimetallic octa-hedral knots. O-H⋯O hydrogen bonds between water molecules and carboxylate O atoms help to consolidate the crystal packing.

摘要

标题化合物{[Zn₂(C₁₀H₂O₈)(H₂O)₆]·2H₂O}ₙ的不对称单元包含两个不同的锌原子，它们通过一个桥连水分子和两个属于苯-1,2,4,5-四羧酸根（tbec）四价阴离子配体不同部分的桥连羧酸根基团相连，这两个锌原子均位于晶体学倒转中心上。这种新型同多晶型一维配位聚合物的结构具有不对称双金属八面体结构单元。水分子与羧酸根O原子之间的O-H⋯O氢键有助于巩固晶体堆积。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b515/2977204/beeeb62fd2ca/e-65-0m915-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b515/2977204/e44d14586a99/e-65-0m915-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b515/2977204/beeeb62fd2ca/e-65-0m915-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b515/2977204/e44d14586a99/e-65-0m915-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b515/2977204/beeeb62fd2ca/e-65-0m915-fig2.jpg

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本文引用的文献

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The Cambridge Structural Database: a quarter of a million crystal structures and rising.剑桥结构数据库：拥有二十五万个晶体结构且数量不断增加。
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