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取代苯甲醛-3,4,5-三甲氧基苯甲酰腙的合成及晶体结构研究
王玉民;赵振东;毕良武;李冬梅
2009 (1):
23-28.
摘要
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PDF(919KB)
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合成了水杨醛-3,4,5-三甲氧基苯甲酰腙(1)、5-溴-水杨醛-3,4,5-三甲氧基苯甲酰腙(2)和4-氯苯甲醛-3,4,5-三甲氧基苯甲酰腙(3),通过FT-IR、1HNMR等进行了结构表征。用X射线单晶衍射测定了3个化合物的晶体结构。结果表明化合物1和2都属于斜方晶系,P2(1)/c空间群,化合物3属于三斜晶系,P-1空间群,晶体通过分子间氢键作用形成一维的无限链状结构。它们的晶体学参数分别为:1.a =1.5348(12)nm,b =1.3330(11)nm,c =0.8299(7)nm,α =90.00°,β =99.854(16)°,γ =90.00°,V =1.6730(2)nm3,Z =4,Dc =1.312g/cm3,F(000) =696,R =0.1016,wR =0.1936; 2.a =1.14157(19)nm,b =1.6279(3)nm,c =0.9738(16)nm,α =90.00°,β =100.210(16)°,γ =90.00°,V =1.7144(4)nm3,Z =4,Dc =1.586g/cm3,F(000) =832,R =0.0669,wR =0.0969; 3.a =0.5119(2) nm,b =0.8210(4)nm,c =2.0276(9)nm,α =101.055(7)°,β =92.362(7)°,γ =101.459(7)°,V =0.8169(7)nm3,Z =2,Dc =1.418g/cm3,F(000) =364,R =0.0516,wR =0.1276。
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