用三苄基氯化锡及三丁基氯化锡与 4-吡啶甲酸钠反应 ,分别合成了三苄基锡 4-吡啶甲酸酯 (1 )和三丁基锡 -4-吡啶甲酸酯 (2 ) ,并进行了红外光谱、核磁共振氢谱及质谱表征 .X射线单晶衍射分析结果表明 ,化合物 1属单斜晶系 ,P2 1 /n空间群 ,晶胞参数 :a=0 .965 64(8) nm,b=1 .640 85 (1 4) nm,c=1 .4940 3 (1 3 ) nm,β=97.681 (2 ) 0 ,V=2 .3 460 (3 ) nm3,Z=4,Dc=1 .45 6g/cm3.化合物 2属单斜晶系 ,P2 1 /n空间群 ,晶胞参数 :a=0 .96673 (1 4) nm,b=2 .3 845 (4 ) nm,c=0 .970 71 (1 4) nm,β=1 1 2 .463 (3 ) o ,V=2 .0 679(5 ) nm3,Z=4,Dc=1 .3 2 4g/cm3.两个化合物均通过 4-吡啶甲酸配体的氮原子桥联 ,形成五配位三角双锥构型的一维无限链聚合物 Tribenzyltin 4-picolinate (1) and tributyltin-4-picolinate (2) were synthesized by the reaction of tribenzyltin chloride and tributyltin chloride with sodium 4-picolinate, respectively. The results of X-ray single crystal diffraction analysis showed that compound 1 belongs to the monoclinic space group P2 1 / n with unit cell parameters of a = 0.965 64 ( (4) nm, c = 1.4940 3 (1 3) nm, β = 97.681 (2) 0, V = 2.3603 and Z = 4 , Dc = 1.456g / cm3. Compound 2 belongs to the monoclinic system with P2 1 / n space group with unit cell parameters of a = 0.96673 (14) nm and b = 2.3845 , c = 0. 970 71 (1 4) nm, β = 1 1 .463 (3) o, V = 2 .0 679 (5) nm3, Z = 4, Dc = 1.324g / cm3. Both compounds are bridged by the nitrogen atom of the 4-picolinic acid ligand to form a one-dimensional infinite chain polymer with five-coordinate trigonal bipyramid configuration