两个由铜离子与Waugh-型阴离子构筑的化合物的合成、晶体结构及表征  

Synthesis, Crystal Structure and Properties of Two Compounds Connected by Waugh-Type Polyoxoanion and Copper Ion

作　　者：刘雪梅[1] 南叶飞[1] 吴亚[1] 薛丹[1] 

机构地区：[1]西安石油大学化学化工学院,西安710065

出　　处：《无机化学学报》2014年第9期2006-2012,共7页Chinese Journal of Inorganic Chemistry

基　　金：陕西省教育厅专项基金(No.2010JK782;12JK1012);西安石油大学博士科研启动基金(No.2014BS30)资助项目

摘　　要：以(NH4)6[MnMo9O32]·8H2O为前体原料,与CuCl2及吡啶反应得到了2个Waugh型钼酸盐[Cu(H2O)4]3MnMo9O32·6H2O(1)和[Cu(H2O)4][Cu(C5H5N)(H2O)2]2(C5H5N)MnMo9O32·4H2O(2),并用元素分析、X-射线单晶衍射、红外光谱、固体紫外可见光谱、近红外光谱和热重分析对其进行了表征,并研究了化合物1的磁性质。晶体结构表明,化合物1属于三方晶系,空间群为R32;化合物2属于单斜晶系,空间群为C2/c。化合物1中Cu2+与[MnMo9O32]6-连接形成了三维二重穿插的α-Po拓扑结构。化合物2中单核铜"Cu(H2O)4"和双核铜建筑块"[Cu2(C5H5N)2(H2O)4]"作为桥连接阴离子[MnMo9O32]6-形成了三维网络结构。其中化合物2是首例有机配体参与过渡金属离子配位的Waugh型化合物。Two Waugh molybdates based on [MnMo9O32]6-： [Cu（H2O）4]3MnMo9O32·6H2O（1） and [Cu（H2O）4] [Cu（C5H5N）（H2O）2]2（C5H5N）MnMo9O32·4H2O（2） have been isolated by reacting of（NH4）6MnMo9O32·6H2O, CuCl2 and pyridine in aqueous solution, and characterized by elemental analysis, single-crystal X-ray diffraction, IR, NIR and TG. The magnetic properties of compound 1 have also been studied. Crystal structural analyses indicate that the compound 1 crystallizes in the triclinic crystal system and space group R32, and compound 2 crystallizes in the monoclinic crystal system and space group C2/c. In compound 1, the polyoxoanions [MnMo9O32]6-are linked by Cu2＋ions to form a 3D framework with α-Po topology. In compound 2, the polyoxoanions [MnMo9O32]6-are linked by the ＂Cu（H2O）4＂ and ＂[Cu2（C5H5N）2（H2O）4]＂ groups to form a 3D network. It is noteworthy that compound2 is the first example of Waugh-type compound, in which organic ligands coordinate to transition metal ions.CCDC： 999721, 1; 999720, 2.

关 键 词：WAUGH结构 合成 晶体结构 近红外光谱 磁性 

分 类 号：O614.121[理学—无机化学]