配合物[Mn(C_5H_2N_2O_6)·2H_2O]_n的合成、晶体结构及光谱性质  

Synthesis,Crystal Structure and Spectral Properties of the Manganese Coordination Polymer [Mn(C_5H_2N_2O_6)·2H_2O]_n with Pyrazole-3,5-Dicarboxylic Acid

作　　者：李荣芳[1] 陈宁[1] 包鑫[1] 

机构地区：[1]洛阳师范学院化学化工学院,河南洛阳471022

出　　处：《洛阳师范学院学报》2012年第11期49-52,共4页Journal of Luoyang Normal University

摘　　要：合成了一个新的配合物,经元素分析及X-射线衍射对其结构进行了表征.化合物晶体属单斜晶系,P2(1)/c空间群,晶胞参数:a=6.4824(13),b=6.1325(12),c=19.980(4),α=90°,β=91.925(2)°,γ=90°,V=793.8(3)A3,M=245.05,Z=4,Dc=2.050Mg.m-3,F(000)=492,吸收系数μ=1.671mm-1,最终偏离因子R1=0.0263,wR2=0.0692.化合物的分子结构存在一维链状的结构,由于复杂氢键的存在,它的堆积结构呈二维网状排列,而且在[010]方向看到了纳米空洞.A novel manganese coordination polymer [Mn（C5H2N2O6）·2H2O]4 has been synthesized and it was characterized by elemental analysis,FTIR and X-ray diffraction single-crystal structure analyses.Crystal data：monoclinic,space group P2（1）/c,a=6.4824（13） A,b=6.1325（12） A,c=19.980（4） A,α=90 deg,β=91.925（2） deg,γ=90 deg,V=793.8（3） A3,M =245.05,Z=4,Dc = 2.050Mg.m-3,F（000）=492,Absorption coefficient：μ= 1.671mm-1,Final R indices：R1=0.0263,wR2=0.0692.Single crystal structure determination reveals that the title complex is a novel one-dimensional coordination polymer.The local coordination environment around manganese ion is a distorted octahedron.Two 2D layer super molecular complex systems are formed by the hydrogen bonds and weak interactions between neighboring single cells.Further,some nanometer empties are found in direction in pack structure.

关 键 词：3 5-吡唑二羧酸 锰 氢键 晶体结构 

分 类 号：O641[理学—物理化学]