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六水合钴（II）3,3'-二羧基联苯-4,4'-二羧酸酯

Hexaaqua-cobalt(II) 3,3'-dicarb-oxy-biphenyl-4,4'-dicarboxyl-ate.

作者信息

Zhang Yu-Hua, Han Jin-Mei, Li Zong-Ze

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2010 Jul 24;66(Pt 8):m1007. doi: 10.1107/S1600536810028771.

DOI:10.1107/S1600536810028771
PMID:21588087
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3007239/
Abstract

In the crystal structure of the title compound, Co(H(2)O)(6), both the cation and anion are centrosymmetric. The Co cation displays a CoO(6) octa-hedral geometry formed by six water mol-ecules. In the anion, the two carboxyl groups are oriented at dihedral angles of 4.8 (5) and 10.4 (7)° with respect to the benzene ring. Very strong O-H⋯O hydrogen bonds between the protonated and deprotonated carboxylate groups occur. Neighbouring cations and anions are connected through O-H⋯O hydrogen bonds into a three-dimensional supra-molecular structure.

摘要

在标题化合物Co(H₂O)₆的晶体结构中，阳离子和阴离子均为中心对称。钴阳离子呈现由六个水分子形成的CoO₆八面体几何构型。在阴离子中，两个羧基相对于苯环的二面角分别为4.8 (5)°和10.4 (7)°。质子化和去质子化的羧酸根基团之间存在非常强的O-H⋯O氢键。相邻的阳离子和阴离子通过O-H⋯O氢键连接成三维超分子结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c063/3007239/5cf4be0da4bb/e-66-m1007-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c063/3007239/f96896cfa1d7/e-66-m1007-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c063/3007239/5cf4be0da4bb/e-66-m1007-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c063/3007239/f96896cfa1d7/e-66-m1007-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c063/3007239/5cf4be0da4bb/e-66-m1007-fig2.jpg

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