以5-甲基间苯二甲酸为配体的Ni(Ⅱ)配合物合成及晶体结构  

Synthesis and crystal structure of Ni(Ⅱ) complex based on 5-methyl isophthalate

作　　者：刘娟[1] 王亮[1] 郑长征[1] 文小川[1] 

机构地区：[1]西安工程大学环境与化学工程学院,陕西西安710048

出　　处：《纺织高校基础科学学报》2011年第3期413-415,427,共4页Basic Sciences Journal of Textile Universities

基　　金：陕西省自然科学基金项目(2009JM2012)

摘　　要：以5-甲基间苯二甲酸为配体与吡啶、硝酸镍反应,水热合成制得配合物5-甲基间苯二甲酸吡啶镍(Ⅱ),并培养成单晶.通过元素分析和X射线单晶衍射对其结构进行了表征,该配合物晶体属单斜晶系,空间群为C2/c,晶胞参数a=1.961 6(6)nm,b=1.609 3(5)nm,c=1.475 6(5)nm,β=111.836(4)°,Z=8,V=4.324(2)nm3,Dc=1.457mg/m3,F(000)=1 968,R1=0.081 7[I>2sigma(I)],wR2=0.1854(all data),GOF=3.015.测试结果表明,在配合物中镍原子处于六配位的配位环境,配位原子分别来自1个配体5-甲基间苯二甲酸中的3个O原子和3个吡啶环上的N原子.Ni2+经配体桥联形成一维波浪状链.Complexes of 5-methyl isophthalate pyridinenickel（Ⅱ） was synthesized from the reaction of 5-methyl isophthalate with pyridine and nickel nitrate,and it is developed into a single crystal.The compound was characterized by elemental analysis and single crystal X-ray diffraction.It was assigned to monoclinic crystal system,space groupC2/c,cell data：a=1.961 6（6）nm,b=1.609 3（5）nm,c=1.475 6（5）nm,β=111.836（4）°,Z=8,V=4.324（2）nm3,Dc=1.457mg/m3,F（000）=196 8,R1=0.081 7 [I2sigma（I）],wR2=0.185 4（all data）,GOF=3.015.The results show that the Ni atom exists in a six-coordinated environment in which one ligand 5-methyl isophthalate acid in the three O atoms and three pyridine N atoms.Ni2＋ by the bridging ligands to form one-dimensional wave-like chain.

关 键 词：水热合成 5-甲基间苯二甲酸 镍配合物 晶体结构 

分 类 号：O614.81[理学—无机化学]