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中文摘要：
通过9-乙基咔唑-3-甲醛与4-氨基-3，5-二甲基-1，2，4-三氮唑反应，合成了一种新型咔唑衍生物——9-乙基咔唑-3-甲醛缩4-氨基-3，5-二乙基-1，2，4-三氮唑（1），其结构经^1H NMR，IR和X-射线单晶衍射表征。1属单斜晶系，P2（1）／n空间群，晶胞参数为：a=8．829（8）A，b=9．863（10）A，c=19．530（15）A，β=101．65（5）°，V=1666（3）A^3，Dc=1．266g·cm^-3，Z=4，F（000）=672，μ=0．079mm^-1。最终偏离因子R1=0．0756。
英文摘要：
A novel carbazole derivative, （ E ） - （ 9-ethylcarbazol-3 -yl ） -N- （ 3,5 -dimethyl-1,2,4-triazol- 4-yl）-methanimine （1） , was synthesized by reaction of 3-aldehyde-9-ethylcarbazole and 4-amido-3,5- dimethyl-1,2,4-triazole. The structure was characterized by ^1H NMR, IR and X-ray single-crystal diffraction. 1 belongs to monoclinic system, space group P2 （ 1 ）/n with a = 8. 829 （ 8 ） A, b = 9. 863 （10） A, c=19.530（15） A, β=101.65（5）°, V=1666（3） A^3, Dc=1.266 g.cm^-3, Z=4, F（000） =672,μ =0. 079 mm^-1. The final R1 indices was 0.075 6.
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