锌(Ⅱ)-水杨醛-2,2′-联吡啶三元配合物的合成及晶体结构

Synthesis and Crystal Structure of [Zn(C_7H_5O_2)_2(C_(10)H_8N_2)]·H_2O

合成了标题化合物[Zn(C7H5O2)2(C10H8N2)].H2O,通过元素分析和X射线单晶衍射进行了表征。配合物的分子式是ZnC24H20N2O5,晶体属于单斜晶系,空间群C2/c,晶胞参数为a=0.6517(1)nm,b=1.9102(1)nm,c=1.7829(1)nm;β=90.380(1)°,V=2.219 3(2)nm3,Z=4,Dc=1.442 g/cm3,Mr=481.79,F(000)=992,μ=1.145,最终偏差因子(对I>2σ(I)的衍射点)R1=0.0737,ωR2=0.2281,对全部衍射点R1=0.0859,ωR2=0.2510,ω-1=[S2(F20)+(0.182 3P)2+3.814 1P],P=(F02+2F2c)/3。配合物中的Zn(Ⅱ)分别与2个水杨醛的4个氧原子和2,2′-联吡啶的2个氮原子形成一个变形的八面体,并通过氢键与范德华力形成三维结构。

The title complex [Zn（C7H5O2）2（C10H8N2）] H2O is synthesized and characterized by elemental analysis.The crystal structure is determined by X-ray diffraction method.The complex is monoclinic system and space group C2/c.Cell parameters are：α= 0.651 7（1）nm,b= 1.910 2（1）nm,c= 1.782 9（1）nm;β= 90.380（1）°,V= 2.219 3（2）nm^3,Z= 4,Dc = 1.442 g·cm^-3,Mr=481.79,F（000） = 992,μ= 1.145,final windage gene（I〉2σ（I））：R1= 0.073 7,ωR2 = 0.228 1.All the diffractions are：R1= 0.085 9,ωR2= 0.251 0,ω^-1= [S^2（F0^2） ＋（0.182 3P）^2 ＋ 3.814 1P],P =（F0^2＋2Fc^2）/3.The complex first changes into distorted octahedral geometry by four O atoms from two different 2-hydroxy-benzaldehyde and two N atoms from 2,2′-Bipyridinyl and develops into 3D network through hydrogen bonds and Van Der Waals forces.