【摘要】 利用苄基氯和锡反应 ,合成了一维链状有机锡化合物 (PhCH2 ) 2 SnCl2 。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和分子结构。化合物晶体为单斜晶系 ,空间群C2 /c ,a =2 3 .90 5 (18) ,b =4 . 86 2 (4) ,c =12 . 2 5 8(9) ,β =90° ,Z =4 ,V =14 2 2 . 8(19) 3 ,Dc =1. 736g/cm3 ,μ =2 . 14 7mm-1,R =0 . 0 30 2 ,wR =0 . 0 4 4 4。锡原子呈畸变四面体构型。通过化合物分子间Sn…Cl作用 ,形成一维链状结构。更多还原

【Abstract】 One-dimensional chain organotin compound (PhCH 2) 4 -SnCl 2 has been synthesized by the reaction of PhCH 2Cl with Sn and characte rized by elemental analysis,IR and 1HNMR.The crystal and molecular str ucture were determined by X-ray single crystal diffraction.The crystal of t he compound is monoclinic with space group C2/c,a=23.905(18)*!,b=4.862(4 )*!,c=12.258(9)*!,β=90°,Z=4,V=1422.8(19)*!3,Dc=1.736g/cm3, μ=2.147 mm -1,R=0.0302,wR=0.0444.In this compound,the tin a tom has distorted tetrahedral configuration.The molecules are packed in the unit cell in one-dimensional chain structure through a weak interaction between the chlorine atom and tin atom of an adjacent molecule.更多还原