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链状聚[双（μ-4-甲基苯甲酸根-κO:O'）七聚（μ-4-甲基苯甲酸根-κO,O':O）三钐（III）]

catena-Poly[bis-(μ-4-methyl-benzoato-κO:O')hepta-kis(μ-4-methyl-benzoato-κO,O':O)tris-amarium(III)].

作者信息

Feng Sun

机构信息

School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 May 17;64(Pt 6):m816. doi: 10.1107/S1600536808014219.

DOI:10.1107/S1600536808014219
PMID:21202500
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2961567/
Abstract

The title samarium coordination polymer, Sm(3)(C(8)H(7)O(2))(9), was obtained by the hydro-thermal reaction of Sm(NO(3))(3) with 4-methyl-benzoic acid in alkaline aqueous solution. In the asymmetric unit, there are three crystallographically independent Sm(III) ions, two of which are eight-coordinate in a distorted square-anti-prismatic environment, while the third is nine-coordinate in a distorted tricapped trigonal-prismatic coordination. The metal centres are coordinated and bridged by four tridentate, three bidentate and two monodentate methyl-benzoate anions, forming polymeric chains running parallel to the b axis.

摘要

标题为钐配位聚合物[Sm₃(C₈H₇O₂)₉]ₙ，是通过在碱性水溶液中使硝酸钐与4-甲基苯甲酸进行水热反应得到的。在不对称单元中，有三个晶体学独立的Sm(III)离子，其中两个在扭曲的四方反棱柱环境中为八配位，而第三个在扭曲的三帽三棱柱配位中为九配位。金属中心由四个三齿、三个双齿和两个单齿的甲基苯甲酸根阴离子配位并桥连，形成平行于b轴的聚合物链。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8adc/2961567/718839faa09a/e-64-0m816-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8adc/2961567/718839faa09a/e-64-0m816-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8adc/2961567/718839faa09a/e-64-0m816-fig1.jpg

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本文引用的文献

1
A short history of SHELX.SHELX简史。
Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22. doi: 10.1107/S0108767307043930. Epub 2007 Dec 21.
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Dimeric hexakis(4-methylbenzoato)bis(1,10-phenanthroline)didysprosium(III).二聚体双（4-甲基苯甲酸根）双（1,10-菲咯啉）二镝（III）
Acta Crystallogr C. 2005 Feb;61(Pt 2):m81-3. doi: 10.1107/S0108270104032585. Epub 2005 Jan 15.
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catena-Poly[europium-tri-mu-4-methyl-benzoato].链状聚[铕-三-μ-4-甲基苯甲酸酯]
Acta Crystallogr C. 2001 Jun;57(Pt 6):676-7. doi: 10.1107/s0108270101003560. Epub 2001 Jun 12.