氨基酸锑(Ⅲ)双核配合物的固相合成与表征  

Synthesis and characterization of the dinuclear complexes antimony(Ⅲ)with amino acids by solid-solid reaction

作　　者：钟国清[1] 郭应臣[2] 栾绍嵘[3] 陈亚茹[3] 臧祥生[3] 

机构地区：[1]西南农业大学荣昌校区基础部,重庆402460 [2]南阳师范学院化学系,河南南阳473061 [3]华东理工大学化学系,上海200237

出　　处：《分子科学学报》2002年第2期103-108,共6页Journal of Molecular Science

基　　金：重庆市教委自然科学基金资助项目 ( 990 50 5)

摘　　要：采用室温固相反应法合成了甘氨酸锑和苯丙氨酸锑双核配合物 ,用元素分析、远红外光谱、热重差热分析及X射线粉末衍射进行了表征 .两种配合物Sb2 L5X·2 5H2 O(L =gly ,phe;X =Cl或I)的晶体结构均属于单斜晶系 ,甘氨酸锑配合物的晶胞参数为 :a =0 6 5 2 6nm ,b =1.2 2 2 7nm ,c=1.3877nm ,β=97.88°,V =1.0 96 8nm3 ,苯丙氨酸锑配合物的晶胞参数为 :a =1.0 6 17nm ,b =0 .7839nm ,c =1.5 72 5nm ,β =92 .32°,V =1.30 77nm3 .远红外光谱表明O ,N 。Two novel dinuclear complexes of antimony (Ⅲ)with amino acids had been synthesized by solid-solid phase reaction at room temperature.The compositions and structures of the obtained complexes had been characterized by elemental analyses,far-infrared spectra,TG-DTA and X-ray powder diffraction.The two complexes have the compositions of Sb 2(NH 2CH 2COO) 5Cl·2 5H 2O(A),Sb 2(C 6H 5CH 2CH(NH 2)COO) 5I·2 5H 2O(B) and the molecular formula of Sb 2C 10 H 25 O 12 5 N 5Cl,Sb 2C 45 H 55 O 12 5 N 5I respectively.Far-infrared spectra of the complexes indicate that the oxygen,nitrogen and chlorine or iodine atoms have been coordinated with trivalent antimony ion.The coordination numbers of antimony ion in the complexes are six.The thermal decomposition processes of the complexes show that the final residues are antimony.The results of indexes to the X-ray powder diffraction data indicate that the crystal structure of the two complexes belong to monoclinic system.The lattice parameters are: a=0.652 6 nm, b=1.222 7 nm, c=1.387 7 nm 3, β=97 88°,V=1.096 8 nm 3 for A; a=1.061 7 nm, b=0.783 9 nm, c= 1.572 5 nm, β= 92 32°, V=1 307 7 nm 3 for B respectively.

关 键 词：氨基酸锑(Ⅲ)双核配合物 固相合成 远红外光谱 晶胞参数 表征 

分 类 号：O614.531[理学—无机化学]