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聚[（μ3 - 苯-1,4-二乙酸根）[μ2 - 1,4-双（1,2,4-三唑-1-基）丁烷]镉（II）]：基于[Cd(μ3 - 苯-1,4-二乙酸根)]双链自组装成三维超分子框架。

Poly[(μ3-benzene-1,4-diacetato)[μ2-1,4-bis(1,2,4-triazol-1-yl)butane]cadmium(II)]: self assembly into a three-dimensional supramolecular framework based on [Cd(μ3-benzene-1,4-diacetate)] double chains.

作者信息

Wang Jun, Tao Jian Qing, Xu Xiao Juan

机构信息

Department of Chemistry, Yancheng Teachers' College, Yancheng 224002, People's Republic of China.

出版信息

Acta Crystallogr C. 2011 Jun;67(Pt 6):m173-5. doi: 10.1107/S0108270111016507. Epub 2011 May 12.

DOI:10.1107/S0108270111016507
PMID:21633148
Abstract

The title compound, Cd(C(10)H(8)O(4))(C(8)H(12)N(6)), crystallizes with an asymmetric unit comprising a divalent Cd(II) atom, a benzene-1,4-diacetate (PBEA(2-)) ligand and a complete 1,4-bis(1,2,4-triazol-1-yl)butane (BTB) ligand. Cd(PBEA) double chains, arranged parallel to the c axis, are formed through an exo-tridentate binding mode of the PBEA(2-) ligands. These Cd(PBEA) double chains are pillared by tethering BTB ligands, in which the BTB shows a trans-trans-trans conformation, to establish Cd(PBEA)(BTB) two-dimensional coordination polymer (4,4)-layer slab patterns. The three-dimensional supramolecular architecture is formed by C-H···O hydrogen bonds and C-H···π interactions.

摘要

标题化合物[Cd(C₁₀H₈O₄)(C₈H₁₂N₆)]ₙ结晶，其不对称单元包含一个二价Cd(II)原子、一个苯-1,4-二乙酸根（PBEA²⁻）配体和一个完整的1,4-双(1,2,4-三唑-1-基)丁烷（BTB）配体。[Cd(PBEA)]ₙ双链平行于c轴排列，通过PBEA²⁻配体的外三齿配位模式形成。这些[Cd(PBEA)]ₙ双链由呈反式-反式-反式构象的BTB配体连接支撑，形成[Cd(PBEA)(BTB)]ₙ二维配位聚合物(4,4)-层板结构。三维超分子结构由C-H···O氢键和C-H···π相互作用形成。

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