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聚[二-μ-水-二水-二-μ(6)-丙二酸根合钴(II)二钾(I)]

Poly[di-μ-aqua-diaqua-di-μ(6)-malonato-cobalt(II)dipotassium(I)].

作者信息

Sy Adama, Barry Aliou Hamady, Gaye Mohamed, Sall Abdou Salam, Driss Ahmed

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2011 May 1;67(Pt 5):m601. doi: 10.1107/S1600536811012839. Epub 2011 Apr 16.

DOI:10.1107/S1600536811012839
PMID:21754320
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3089327/
Abstract

In the title complex, CoK(2)(C(3)H(2)O(4))(2)(H(2)O)(4), the Co atom is located on a position with site symmetry 2/m, the K atom and one water mol-ecule are located on a mirror plane, and the malonate and one water mol-ecule are located on a twofold rotation axis. The K(I) atom is seven-coordinated by four carboxyl-ate O atoms from four malonate ligands and by three water O atoms, forming a distorted polyhedron. The Co(II) atom is in an almost octa-hedral environment formed by four carboxyl-ate O atoms from two malonate ligands and two water O atoms. The structure consists of layers parallel to (20[Formula: see text]) built up from edge-sharing KO(7) and CoO(6) polyhedra, which are connected by O-H⋯O hydrogen bonding including water mol-ecules into a three-dimensional network.

摘要

在标题配合物[CoK₂(C₃H₂O₄)₂(H₂O)₄]ₙ中，Co原子位于具有2/m点群对称性的位置，K原子和一个水分子位于镜面，丙二酸根和一个水分子位于二重旋转轴上。K(I)原子由来自四个丙二酸根配体的四个羧酸根O原子和三个水分子O原子七配位，形成一个扭曲的多面体。Co(II)原子处于由来自两个丙二酸根配体的四个羧酸根O原子和两个水分子O原子形成的几乎八面体环境中。该结构由平行于(20[化学式：见原文])的层组成，这些层由边共享的KO₇和CoO₆多面体构成，它们通过包括水分子的O—H⋯O氢键连接成三维网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/48ee/3089327/80882ea73541/e-67-0m601-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/48ee/3089327/356e30fc749b/e-67-0m601-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/48ee/3089327/80882ea73541/e-67-0m601-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/48ee/3089327/356e30fc749b/e-67-0m601-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/48ee/3089327/80882ea73541/e-67-0m601-fig2.jpg

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