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一种新型草酸锰（II）磷酸盐水合物，Mn(C₂O₄)Mn₃(PO₄)₂(H₂O)₂ 。

A new aqua-manganese(II) oxalate phosphate, Mn(C(2)O(4))Mn(3)(PO(4))(2)(H(2)O)(2).

作者信息

Zheng Juan, Shen Yuxia, Song Tao, Zhang Aiyun

机构信息

Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo 454000, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Apr 2;65(Pt 5):i32. doi: 10.1107/S160053680901201X.

DOI:10.1107/S160053680901201X
PMID:21583724
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2977538/
Abstract

The title salt, diaquatetra-manganese(II) oxalate bis[ortho-phos-phate(V)], Mn(4)(C(2)O(4))(PO(4))(2)(H(2)O)(2), was synthesized hydro-thermally and displays a three-dimensional framework structure. The asymmetric unit consists of two different Mn(II) centers, half of an oxalate anion, a phosphate group and a coordinated water mol-ecule. A crystallographic inversion center is located at the mid-point of the oxalate C-C bond. The distorted octa-hedral MnO(6) and the tetra-gonal pyramidal MnO(5) centers are linked through bridging oxalate and phosphate groups. The water mol-ecule also has a weaker bonding contact to the five-coordinate Mn atom, which consequently exhibits a distorted octa-hedral geometry and also bridges the independent Mn atoms. The water mol-ecule is a donor for intra- and inter-molecular O-H⋯O hydrogen bonds.

摘要

标题盐二水四草酸锰（II）双[正磷酸（V）]，Mn₄(C₂O₄)(PO₄)₂(H₂O)₂，通过水热法合成，并呈现出三维骨架结构。不对称单元由两个不同的Mn（II）中心、半个草酸根阴离子、一个磷酸基团和一个配位水分子组成。一个晶体学反演中心位于草酸根C-C键的中点。扭曲的八面体MnO₆和四方锥MnO₅中心通过桥连的草酸根和磷酸基团相连。水分子与五配位的Mn原子也有较弱的键合接触，该Mn原子因此呈现出扭曲的八面体几何构型，并且也桥连了独立的Mn原子。水分子是分子内和分子间O-H⋯O氢键的供体。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/b33b8b7dcb73/e-65-00i32-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/15f28a73485b/e-65-00i32-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/dc9db7e036f7/e-65-00i32-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/b33b8b7dcb73/e-65-00i32-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/15f28a73485b/e-65-00i32-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/dc9db7e036f7/e-65-00i32-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/628e/2977538/b33b8b7dcb73/e-65-00i32-fig3.jpg

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