【摘要】 利用二丁基氧化锡与噻吩甲酸以1∶2物质的量比反应,合成了二丁基锡(Ⅳ)二噻吩甲酸酯。通过元素分析、红外光谱、核磁共振氢谱和锡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,分子中锡原子为6配位的歪斜梯形双锥构型,并且化合物以弱桥联二聚体存在。该化合物晶体属P21/c空间群,晶胞参数为:a=1.8709(3)nm,b=2.2337(4)nm,c=1.0517(16)nm,β=93.917(2),°Z=8,F(000)=1968,V=4.3826(12)nm3,μ=1.374mm-1,S=1.051,R1=0.0447,wR2=0.1112。更多还原

【Abstract】 The organotin compound dibutyltin（Ⅳ） bis（2-thiophenylcarboxylat） was synthesized by the reaction of（n-Bu）₂SnO with 2-thiophenylcarboxylic acid in 1∶2 molar ratio.The compound has been characterized by elemental analysis,IR,（（）¹HNMR） and(（）¹¹⁹SnNMR) and the crystal structure was determined by X-ray single crystal diffraction.This compound is weakly-bridged dimer through weak interaction Sn…O between molecules.The tin atoms are six-coordinate skew-trapezoidal bipyramidal geometry.The crystal belongs to monoclinic with space group P2₁/c,a=1.8709（3）nm,b=2.2337（4）nm,c=1.0517（16）nm,β=93.917（2）°,Z=8,F（000）=1968,V=4.3826（12）nm³,μ=1.374mm^-1,S=1.051,R₁=0.0447,wR₂=0.1112.更多还原