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聚[[四水二-μ4-富马酸根-μ2-草酸根-二铒(III)]]四水合物

Poly[[tetra-aquadi-μ4-fumarato-μ2-oxalato-dierbium(III)] tetra-hydrate].

作者信息

Yang Qing-Feng, Wang Xiao-Zhong, Xue Ping

机构信息

Key Laboratory of Energy Resources and Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2013 Jan 1;69(Pt 1):m52. doi: 10.1107/S160053681205026X. Epub 2012 Dec 15.

DOI:10.1107/S160053681205026X
PMID:23476347
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3588352/
Abstract

The title compound, {[Er2(C4H2O4)2(C2O4)(H2O)4]·4H2O} n , was synthesized by the reaction of erbium nitrate hexa-hydrate with fumaric acid and oxalic acid under hydro-thermal conditions. The Er(3+) cation (site symmetry ..2) is eight-coordinated by six O atoms from four fumarate anions (site symmetry ..2) and one bidentate oxalate anion (site symmetry 222), and by two water mol-ecules. The complex exhibits a three-dimensional structure consisting of oxalate pillared Er-fumarate layers with channels occupied by coordinating and lattice water mol-ecules. The three-dimensional structure features by Owater-H⋯O hydrogen bonds involving both the coordinating and lattice water mol-ecules.

摘要

标题化合物{[Er₂(C₄H₂O₄)₂(C₂O₄)(H₂O)₄]·4H₂O}ₙ是通过六水合硝酸铒与富马酸和草酸在水热条件下反应合成的。Er(III)阳离子（位点对称性..2）由来自四个富马酸根阴离子（位点对称性..2）的六个O原子、一个双齿草酸根阴离子（位点对称性222）以及两个水分子八配位。该配合物呈现出三维结构，由草酸根支撑的铒-富马酸盐层组成，通道中填充有配位水分子和晶格水分子。三维结构的特征是涉及配位水分子和晶格水分子的O-H⋯O氢键。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/9ecd13279618/e-69-00m52-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/74dbcb3a0b45/e-69-00m52-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/ff60966f8e87/e-69-00m52-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/9ecd13279618/e-69-00m52-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/74dbcb3a0b45/e-69-00m52-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/ff60966f8e87/e-69-00m52-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4636/3588352/9ecd13279618/e-69-00m52-fig3.jpg

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本文引用的文献

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