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聚[[μ(2)-水-水-(μ(3)-3,5-二硝基水杨酸根合)钡(II)]一水合物]

Poly[[μ(2)-aqua-aqua-(μ(3)-3,5-dinitro-salicylato)barium(II)] monohydrate].

作者信息

Song Wen-Dong, Fan Run-Zhen, Gu Chang-Sheng, Hao Xiao-Min

机构信息

College of Science, Guang Dong Ocean University, Zhanjiang 524088, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Mar 14;64(Pt 4):m551. doi: 10.1107/S1600536808006338.

DOI:10.1107/S1600536808006338
PMID:21202008
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2960902/
Abstract

In the title coordination polymer, {[Ba(C(7)H(2)N(2)O(7))(H(2)O)(2)]·H(2)O}(n), the Ba(II) atom is ten-coordinated by seven O atoms from four 3,5-dinitro-salicylatate ligands, two μ(2)-bridging aqua ligands and one water mol-ecule. The coordination mode is best described as a bicapped square-anti-prismatic geometry. The 3,5-dinitrosalicylatate ligands bridge three Ba atoms. Centrosymmetrically related dinuclear barium units, with a Ba⋯Ba separation of 4.767 (5) Å, form infinite chains, which are further self-assembled into a supra-molecular network through inter-molecular O-H⋯O hydrogen-bonding inter-actions between O atoms of 3,5-dinitro-salicylatate ligands and water mol-ecules.

摘要

在标题配位聚合物{[Ba(C₇H₂N₂O₇)(H₂O)₂]·H₂O}ₙ中，Ba(II)原子由来自四个3,5 - 二硝基水杨酸酯配体的七个O原子、两个μ₂ - 桥连水配体和一个水分子十配位。其配位模式最好描述为双帽四方反棱柱几何构型。3,5 - 二硝基水杨酸酯配体连接三个Ba原子。中心对称相关的双核钡单元，Ba⋯Ba间距为4.767(5) Å，形成无限链，这些链通过3,5 - 二硝基水杨酸酯配体的O原子与水分子之间的分子间O - H⋯O氢键相互作用进一步自组装成超分子网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15a8/2960902/ab2fb1af115e/e-64-0m551-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15a8/2960902/2b89474f2c5f/e-64-0m551-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15a8/2960902/ab2fb1af115e/e-64-0m551-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15a8/2960902/2b89474f2c5f/e-64-0m551-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15a8/2960902/ab2fb1af115e/e-64-0m551-fig2.jpg

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