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聚[四水合双（μ(4)-噻吩-2,5-二羧酸根）（μ(2)-噻吩-2,5-二羧酸根）二铕(III)]

Poly[tetra-aqua-bis-(μ(4)-thio-phene-2,5-dicarboxyl-ato)(μ(2)-thio-phene-2,5-dicarboxyl-ato)dieuropium(III)].

作者信息

Du Xi-Gang, Zhang Jun, Li Jia-Jia

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2012 Aug 1;68(Pt 8):m1024. doi: 10.1107/S1600536812029546. Epub 2012 Jul 4.

DOI:10.1107/S1600536812029546
PMID:22904706
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3414099/
Abstract

The three-dimensional coordination polymer, Eu(2)(C(6)H(2)O(4)S)(3)(H(2)O)(4), has been synthesized under hydro-thermal conditions. The asymmetric unit comprises one Eu(3+) cation, two aqua ligands and one and a half thiophene-2,5-dicarboxylate anions (the half-anion being completed by a twofold rotation axis). The Eu(3+) cation is eight-coordinated in a distorted dodeca-hedral geometry. The crystal structure features O-H⋯O hydrogen bonds.

摘要

三维配位聚合物Eu(2)(C(6)H(2)O(4)S)(3)(H(2)O)(4)已在水热条件下合成。不对称单元包含一个Eu(3+)阳离子、两个水合配体和一个半噻吩-2,5-二羧酸根阴离子（通过二重旋转轴使半阴离子完整）。Eu(3+)阳离子以扭曲的十二面体几何构型进行八配位。晶体结构具有O-H⋯O氢键。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f155/3414099/392d4ebff6cf/e-68-m1024-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f155/3414099/2738d34f3985/e-68-m1024-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f155/3414099/392d4ebff6cf/e-68-m1024-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f155/3414099/2738d34f3985/e-68-m1024-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f155/3414099/392d4ebff6cf/e-68-m1024-fig2.jpg

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