摘要
将邻甲基氯苄和对甲基氯苄在适当的溶剂中与锡粉反应,合成了三(邻甲基苄基)氯化锡1和二(对甲基苄基)二氯化锡2,用X射线衍射方法测定了化合物的晶体结构。化合物(1)的晶体属三方晶系,空间群为R3,晶体学参数:a=1.32936(8)nm,b=1.32936(8)nm,c=2.1470(3)nm,α=β=90°,γ=120°,V=3.2858(5)nm3,Z=6,Dc=1.424g·cm-3,μ(MoKα)=12.93cm-1,F(000)=1428,R1=0.0371,wR=0.1102。化合物2的晶体属单斜晶系,空间群为C2/c,晶体学参数:a=2.8504(3)nm,b=0.49123(5)nm,c=1.21532(12)nm,β=112.517(2)°,V=1.5719(3)nm3,Z=4,Dc=1.690g·cm-3,μ(MoKα)=19.49cm-1,F(000)=792,R1=0.0380,wR2=0.1094;中心锡原子为畸变四面体配位构型。
The tri(o-methylbenzyl)tin chloride (1) and the bis(p-methylbenzyl)tin dichloride (2) have been synthesized. The crystal structures of the complexes were determined by X-ray diffraction. The crystal 1 belongs to Rhombohedral space group R3^- with α=1.329 36(8) nm, b=1.329 36(8) nm, c=2.147 0(3) nm, α=β=90°, γ=120°, V=3.285 8(5) nm^3, Z=6, Dc=1.424 g·cm^-3,/μ(Mo Ka)=12.93 cm^-1, F(000)=1 428, R1=0.037 1, wR=0.110 2. The crystal 2 belongs to Monoclinic space group C2/c with a=2.8504(3) nm, b=0.491 23(5) nm, c=1.215 32(12) nm, β=112.517(2)°, V=1.5719(3) nm^3, Z=4, Dc=1.690 g·cm^-3,μ(Mo Ko)=19.49 cm^-1, F(000)=792, R1=0.038 0, wR2= 0.1094. The tin atoms have a distorted tetrahedral coordination geometry. CCDC: 606931, 1; 6066932, 2.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2006年第7期1246-1250,共5页
Chinese Journal of Inorganic Chemistry
基金
湖南省自然科学基金(No.05JJ40015)
衡阳市科技局(No.2005KG01-09)资助项目