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链状聚[[(1,10-菲咯啉-κ² N,N')镧(III)]-μ-(5-溴-2-羟基苯甲酸根)-κ² O¹:O¹'-二-μ-氯]

catena-Poly[[(1,10-phenanthroline-κ² N,N')lanthanum(III)]-μ-(5-bromo-2-hy-droxy-benzoato)-κ² O¹:O¹'-di-μ-chlorido].

作者信息

Zhu Wen-Qing, Wang Jin-Ping, Yuan Yu-Kun, Li Zhuo

机构信息

College of Environment and Chemical Engineering, Xi'an Polytechnic University, Xi'an, Shaanxi 710048, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2012 Jul 1;68(Pt 7):m896. doi: 10.1107/S1600536812025500. Epub 2012 Jun 13.

DOI:10.1107/S1600536812025500
PMID:22807738
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3393170/
Abstract

In the title complex, La(C₇H₄BrO₃)Cl₂(C₁₂H₈N₂), the La(III) ion is eight-coordinated by two carboxyl-ate O atoms from two 5-bromo-salicylate ligands, two N atoms from a chelating 1,10-phenanthroline ligand and four bridging Cl atoms in a distorted square-anti-prismatic geometry. The La(III) ions are linked by bridging carboxyl-ate groups and chloride anions into a chain along [100]. An intra-molecular O-H⋯O hydrogen bond is formed in the 5-bromo-salicylate ligand. π-π inter-actions between the pyridine and benzene rings and between the benzene rings are observed [centroid-centroid distances = 3.794 (5) and 3.804 (4) Å].

摘要

在标题配合物[La(C₇H₄BrO₃)Cl₂(C₁₂H₈N₂)]ₙ中，La(III)离子由两个5-溴水杨酸酯配体的两个羧酸根O原子、一个螯合的1,10-菲咯啉配体的两个N原子以及四个桥连Cl原子以扭曲的四方反棱柱几何构型进行八配位。La(III)离子通过桥连羧酸根基团和氯离子阴离子沿着[100]连接成链。在5-溴水杨酸酯配体中形成了分子内O-H⋯O氢键。观察到吡啶环与苯环之间以及苯环之间的π-π相互作用[质心-质心距离 = 3.794 (5) 和3.804 (4) Å]。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ce6/3393170/8bdd057667d7/e-68-0m896-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ce6/3393170/3f9ede02cf89/e-68-0m896-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ce6/3393170/8bdd057667d7/e-68-0m896-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ce6/3393170/3f9ede02cf89/e-68-0m896-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2ce6/3393170/8bdd057667d7/e-68-0m896-fig2.jpg

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