双三(邻氯苄基锡)对苯二甲酸酯的合成和晶体结构

Synthesis and Crystal Structure of Bis[tri(o-chlorbenzyl)tin]Terephthalate

合成了双核有机锡化合物双(三邻氯苄基锡)对苄二甲酸酯。通过元素分析、红外光谱和核磁共振氢谱对其结构进行了表征。用X-射线单晶衍射测定了该化合物的晶体结构。结果表明,该化合物的晶体为三斜晶系,空间群Pi,a=1.037 2(5)nm,b=1.092 1(5)nm,c=1.114 1(5)nm,a=103.495(8)°,β=92.133(7)°,γ=98.938(8)°,Z=1,V=1.208 6(9)nm^3,Dc=1.587 g/cm^3,μ=1.408 mm^(-1),F(000)=874,R_1=0.0473,wR_2=0.128 9.在该化合物中,锡原子呈五配位畸变三角双锥构型。

Binuclear organotin complouds bis[-Bis (o-chlorbenzyl)tin]terephthalate was synthesized. The structure was characterized by elemenary analysis,IR and ~1H NMR and the crystal structure was determined by X-ray single crystal diffraction. The crystal of compound belongs to triclinie with space group P1,a=1.037 2(5)nm,b=1.092 1(5) nm,c=1. 114 1(5) nm,α=103. 495(8),β=92. 133(7),γ=98. 938(8)°,Z=1,V=1. 208 6(9) nm^3,Dc=1. 587 g/cm^3,μ=1.408 mm^(-1),F(000)=874,R_1=0.0473, wR_2= 0.128 9. In the compound,the tin atoms rendered five-coordinate in distorted trigonal bipyramidal configurations.