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Synthesis and Crystal Structure of SchiffBase 2-(1-methylethylidene)-hydrazinecarbothioamide
Author(s): Li Shuting, Chen Zhenfeng, LiuBin, YuQing, Wang Xiujian
Pages: 22-
24
Year: 1999
Issue:
1
Journal: GUANGXI SCIENCES
Keyword: 2-(1-亚异丙基)硫代氨基脲; 合成; 晶体结构;
Abstract: 由丙酮与硫代氨基脲在乙醇中反应得到2-(1-亚异丙基) 硫代氨基脲,并培养得到无色单晶.用X-射线衍射法测定了化合物的单晶结构.晶体属于三斜晶系,空间群,晶胞参数:a=6.210 0(10),b=7.853 0(10),c=7.966 0(10), α=85.300(10)°,β=68.560(10)°,γ=70.240(1 0)°,V=339.92(8)3,Z=2,Mr=131.20,Dc=1.282 mg/m3, μ= 0.378 mm-1,F(000)=140,在5.50°≤2θ≤57.98°范围内用ω-2θ扫描方式进行扫描共收集到2 032个衍射点,其中1 458个(F0>4σ(F0))可观察点用于结构解析和修改.R=0.030 3,wR=0.087 6(Δ/σ)max=-0.002,W=1 /[σ2(F02)]+(0.062 0P)2,P=(max (F20,0)+2)/3,S=1.009.
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