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Synthesis and Crystal Structure of a Three-dimensional (3D) Complex Mn(H_2O)_2(HNic)_2 (HNic=2-Hydroxynicotinic Acid)

Synthesis and Crystal Structure of a Three-dimensional (3D) Complex Mn(H_2O)_2(HNic)_2 (HNic=2-Hydroxynicotinic Acid)

作     者:LI Yu-Mei CHE Yun-Xia ZHENG Ji-Min 

作者机构:Department of Chemistry Nankai University Tianjin 300071 China 

出 版 物:《Chinese Journal of Structural Chemistry》 (结构化学(英文))

年 卷 期:2006年第25卷第5期

页      面:572-576页

核心收录:

学科分类:081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 070301[理学-无机化学] 

基  金:This work was supported by the National Natural Science Foundation of China (No. 50572040) 

主  题:complex crystal structure three-dimensional network 

摘      要:The title complex Mn(H2O)2(HNic)2 (C22H12MnN2O8, Mr = 367.18) crystallizes in monoclinic, space group P21/c with a = 7.5735(8), b = 12.5295(13), c = 7.6466(8)A.β = 101.2790(10)°, Z = 2, V= 711.59(13) A^3, D, = 1.714 g/cm^3,μ(MoKa) = 0.974 mm^-1, F(000) = 374, R1 (1255 observed reflections (Ⅰ 〉 2σ(Ⅰ)) = 0.0250) and wR2 = 0.0662 (all data). In this paper, we report the complexation of Mn(Ⅱ) by the bidentate ligand 2-hydroxynicotinic acid (HNic). In the crystal the Mn(Ⅱ) ion exhibits a deformed octahedron structure. The title complex Mn(H2O)2(HNic)2 has a three-dimensional (3D) network structure extended by hydrogen bonds, which are formed by two typical eight-membered hydrogen-bonded rings.

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