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聚[[二水合-双-(μ2-4,4'-联吡啶基)钴(II)]硝酸酯四水合物]

Poly[[diaqua-bis-(μ2-4,4'-bipyrid-yl)cobalt(II)] dinitrate tetra-hydrate].

作者信息

Lehleh Asma, Boutebdja Mehdi, Beghidja Adel, Beghidja Chahrazed, Merazig Hocine

机构信息

Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Faculté des Sciences Exactes, Département de Chimie, Université de Constantine 1, 25000 Constantine, Algeria.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2013 Mar 2;69(Pt 4):m177-8. doi: 10.1107/S1600536813005230. Print 2013 Apr 1.

DOI:10.1107/S1600536813005230
PMID:23633984
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3629466/
Abstract

The title compound, {Co(C10H8N2)2(H2O)22·4H2O} n , (C10H8N2 = 4,4'-bipyridine = 4,4'-bpy) is a layered coordination polymer built up from a cationic square grid extending in (101) enclosing uncoordinating nitrate ions and water mol-ecules. The Co(II) ion has site symmetry 2 and one of the 4,4'-bpy ligands is generated by twofold symmetry [two N atoms and two C atoms lie on the rotation axis and the dihedral angle between the pyridine rings is 45.66 (5)°]. The other 4,4'-bpy ligand is generated by a crystallographic inversion center. The Co(II) ion exhibits a slightly distorted octa-hedral coordination geometry defined by two O atoms of two coordinating water mol-ecules and four N atoms from four bridging 4,4'-bpy ligands. The structure is consolidated by O-H⋯O, C-H⋯O and C-H⋯N hydrogen bonds.

摘要

标题化合物{Co(C₁₀H₈N₂)₂(H₂O)₂₂·4H₂O}ₙ，(C₁₀H₈N₂ = 4,4'-联吡啶 = 4,4'-bpy) 是一种层状配位聚合物，由在 (101) 方向延伸的阳离子方形网格构成，其中包含未配位的硝酸根离子和水分子。Co(II) 离子具有位点对称性2，4,4'-bpy配体中的一个由二重对称性产生 [两个N原子和两个C原子位于旋转轴上，吡啶环之间的二面角为45.66 (5)°]。另一个4,4'-bpy配体由晶体学反演中心产生。Co(II) 离子呈现出略微扭曲的八面体配位几何构型，由两个配位水分子的两个O原子和来自四个桥连4,4'-bpy配体的四个N原子定义。该结构通过O—H⋯O、C—H⋯O和C—H⋯N氢键得以巩固。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/b5aad4087de6/e-69-0m177-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/3547fb02fb88/e-69-0m177-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/dddca6aa5a1d/e-69-0m177-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/b5aad4087de6/e-69-0m177-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/3547fb02fb88/e-69-0m177-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/dddca6aa5a1d/e-69-0m177-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/42f3/3629466/b5aad4087de6/e-69-0m177-fig3.jpg

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