［Gd(BMBCP)(H2O)4］［PMo12O40］·2． 75H2O配位聚合物的合成及表征  

Synthesis and Characterization of [Gd(BMBCP)(H_2O)_4][PMo_(12)O_(40)]·2.75H_2O Coordination Polymer

作　　者：李志猛[1] 胡军[1] 智霞[1] 张才灵[1] 任国建[1] 王芙香[1] 潘勤鹤[1,2] 

机构地区：[1]海南大学材料与化工学院,海口570228 [2]海南低碳经济政策与产业技术研究院,海口570228

出　　处：《人工晶体学报》2017年第5期809-813,824,共6页Journal of Synthetic Crystals

基　　金：海南省自然科学基金(214020)

摘　　要：以-Keggin型多金属氧酸盐[PMo_(12)O_(40)]^(3-)作为模板,采用水热法成功合成一例新型二维Gd(Ⅲ)配位聚合物[Gd(BMBCP)(H_2O)_4][PMo_(12)O_(40)]·2.75H_2O(HNU-13)(H_2BMBCP·Cl_2=1,4-双(3-羧酸吡啶基-1-亚甲基)苯二氯)。通过单晶X-射线衍射仪确定其结构,并通过X-射线粉末衍射(PXRD),傅里叶红外光谱(IR)和热重分析仪(TG)对其进行表征。结果表明,化合物结构结晶于单斜晶系,P2(1)/n空间群,晶胞参数为a=1.4291 nm,b=1.3772 nm,c=2.8430 nm,α=90.00°,β=91.154°,γ=90.00°,Z=4。值得注意的是,由于[PMo_(12)O_(40)]^(3-)与H_2BMBCP·Cl_2配体的静电作用,从而形成左右手螺旋链,进一步的构筑为层状4,4-网格结构。A two-dimensional Gd （ $ ） coordination polymer [Gd（BMBCP）（H2O）4][PMo12O40]·2. 75H2O （ HE BMBCP · Cl： = 1,4-bis （ 3-carboxylic acid pyridyl-l-methylene） benzene dichloride） （ HNU- 13 ） was successfully synthesized by using-Keggin type polyoxometallate [ PMo12O40 ]3- as template in hydrothermal condition. The structure was characterized by single crystal X-ray diffractometer, and the compound was characterized by X-ray powder diffraction （PXRD）, Fourier transform infrared spectroscopy （IR） and thermogravimetric analysis （TG）. The results show that the structure of the compound is crystallized in the monoclinic system P2（ 1 ）/n space group with unit cell parameters a = 1. 4291 nm,b=l.3772 nm,c=2.8430 nm,a=90.00°, β= 91. 154°, γ= 90.00°, and Z=4. It is worth noting that a layered 4,4-lattice structure is formed by the electrostatic interaction of [ PMo12O40 ] 3 - with H：BMBCP · Cl2 ligands to form right and left handed helical chains.

关 键 词：多金属氧酸盐 模板 水热合成 配位聚合物 螺旋链 

分 类 号：O614.121[理学—无机化学]