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四（μ-3-氮鎓苯甲酸根）-κO:O,O';κO,O':O;κO:O'-双-[三水合氯化镧（III）] 四氯化物二水合物

Tetra-kis(μ-3-aza-niumylbenzoato)-κO:O,O';κO,O':O;κO:O'-bis-[triaqua-chloridolanthanum(III)] tetra-chloride dihydrate.

作者信息

Benslimane Meriem, Merazig Hocine, Daran Jean-Claude

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2010 Dec 24;67(Pt 1):m115-6. doi: 10.1107/S1600536810052864.

DOI:10.1107/S1600536810052864
PMID:21522528
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3050182/
Abstract

The tiltle complex, [La(2)(C(7)H(7)NO(2))(4)Cl(2)(H(2)O)(6)]Cl(4)·2H(2)O, is a centrosymmetric dimer formed by edge-sharing LaO(5)(H(2)O)(3)Cl polyhedra linked together by a carboxyl-ate ligand. The two La(III) metal ions are linked by two bidentate bridging carboxyl-ate groups with a κ(2)O:O' coordination mode and two bidentate chelating bridging carboxyl-ate groups with a κ(3)O:O,O' coordination mode. The coordination sphere of lanthanum, completed by a terminal chloride and three water mol-ecules, adopts a distorted tricapped trigonal-prismatic arrangement. N-H⋯Cl, N-H⋯O and O-H(water)⋯Cl hydrogen bonds, and slipped π-π inter-actions between parallel benzene rings [centroid-centroid distance of 3.647 (3) Å] are observed in the structure. These combine to stabilize a three-dimensional network.

摘要

标题配合物[La₂(C₇H₇NO₂)₄Cl₂(H₂O)₆]Cl₄·2H₂O是一种中心对称二聚体，由通过羧酸盐配体连接在一起的边共享LaO₅(H₂O)₃Cl多面体形成。两个La(III)金属离子通过两个采用κ₂O:O'配位模式的双齿桥连羧酸盐基团和两个采用κ₃O:O,O'配位模式的双齿螯合桥连羧酸盐基团相连。镧的配位球由一个端基氯和三个水分子完成，采用扭曲的三帽三棱柱排列。在结构中观察到N-H⋯Cl、N-H⋯O和O-H(水)⋯Cl氢键以及平行苯环之间的滑移π-π相互作用[质心间距为3.647 (3) Å]。这些共同作用以稳定三维网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e25/3050182/182a853f561e/e-67-0m115-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e25/3050182/f603a0de14ae/e-67-0m115-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e25/3050182/182a853f561e/e-67-0m115-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e25/3050182/f603a0de14ae/e-67-0m115-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3e25/3050182/182a853f561e/e-67-0m115-fig2.jpg

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引用本文的文献

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