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二水合双(2-氧代-2H-色烯-3-羧酸根-κO,O)锰(II)

Diaqua-bis-(2-oxo-2H-chromene-3-carboxyl-ato-κO,O)manganese(II).

作者信息

Cui Yue, Gao Qian, Wang Huan-Huan, Wang Lin, Xie Ya-Bo

机构信息

College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2011 Jun 1;67(Pt 6):m727. doi: 10.1107/S1600536811016667. Epub 2011 May 7.

DOI:10.1107/S1600536811016667
PMID:21754623
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3120554/
Abstract

In the title compound, [Mn(C(10)H(5)O(4))(2)(H(2)O)(2)], the Mn(II) atom lies on a crystallographic inversion center and is six-coordinated by two O atoms from water mol-ecules in the axial positions and four O atoms from two deprotonated coumarin-3-carb-oxy-lic acid ligands in the equatorial plane. The overall coordination geometry is slightly distorted octa-hedral. The Mn-O bond distances vary between 2.0931 (12) and 2.2315 (13) Å. O-H⋯O hydrogen bonds between the H atoms of coordinated water mol-ecules and the O atoms of the carboxyl-ate groups link the complex mol-ecules into two-dimensional layers parallel to the ab plane.

摘要

在标题化合物[Mn(C₁₀H₅O₄)₂(H₂O)₂]中,Mn(II)原子位于一个晶体学反演中心上,由轴向位置的两个水分子中的O原子和赤道平面上两个去质子化的香豆素-3-羧酸配体中的四个O原子进行六配位。整体配位几何形状为略微扭曲的八面体。Mn - O键长在2.0931 (12)和2.2315 (13) Å之间变化。配位水分子的H原子与羧酸根基团的O原子之间的O - H⋯O氢键将配合物分子连接成平行于ab平面的二维层。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7506/3120554/c07e3df88b14/e-67-0m727-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7506/3120554/ae25380b0388/e-67-0m727-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7506/3120554/c07e3df88b14/e-67-0m727-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7506/3120554/ae25380b0388/e-67-0m727-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7506/3120554/c07e3df88b14/e-67-0m727-fig2.jpg

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本文引用的文献

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New manganese(II) azido coordination polymers with nicotinic/isonicotinic acids as coligands: synthesis, structure, and magnetic properties.新型锰(II)叠氮配合物与烟碱/异烟酸作为共配体:合成、结构和磁性。
Inorg Chem. 2010 Apr 19;49(8):3746-51. doi: 10.1021/ic9021257.
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A short history of SHELX.SHELX简史。
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