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利用2-叠氮咪唑(AIM)与硝酸(HNO3)和斯蒂芬酸(TNR),采用直接法合成了新型含能化合物2-叠氮咪唑硝酸盐和2-叠氮咪唑斯蒂芬酸合水,利用缓慢蒸发溶剂法培养出了可用于X射线衍射的单晶.利用X射线单晶衍射测定了标题化合物的结构,并利用元素分析和红外光谱的方法对其组成进行了表征.实验研究表明2-叠氮咪唑硝酸盐晶体属于单斜晶系,空间群为P21/c,晶胞参数为a=17.034(3),b=6.5214(13),c=13.095(3),β=111.78(3)°,V=1350.8(5)3;Dc=1.693g/cm3;分子式为C3N6O3H4,是由AIM+和NO-3结合成的离子化合物,分子中含有大量的氢键,结构较为稳定.2-叠氮咪唑斯蒂芬酸合水晶体属于三斜晶系,空间群为P1,晶胞参数为a=6.4900(13),b=7.4286(15),c=15.401(3),α=101.57(3)°,β=98.56(3)°,γ=99.89(3)°,V=703.6(2)3;Dc=1.757g/cm3;分子式为C9H8N8O9,是由AIM+和HTNR-结合成的离子合水化合物.利用差示扫描量热法(DSC)和热重-微分热重法(TG-DTG)对其热分解进行分析,结果表明,在10℃/min的升温速率下,两个化合物的热分解均出现1个放热峰,分解产物主要为气体物质.最后对标题化合物进行感度性能测试,结果表明(AIM)NO3具有一定的火焰感度,有望作为含能材料应用于相关领域.
The novel energy-containing compounds 2-Azidiazole nitrate and 2-azidimidazole were synthesized by direct method using 2-azidimidazole (AIM), nitric acid (HNO3) and stannous acid (TNR) The structure of the title compound was characterized by X-ray single crystal diffraction and the composition of the title compound was characterized by elemental analysis and infrared spectroscopy.Experimental studies showed that the 2- The azimidazole nitrate crystals belong to the monoclinic system with a space group of P21 / c with unit cell parameters of a = 17.034 (3) , b = 6.5214 (13) , c = 13.095 (3) and β = 111.78 3) °, V = 1350.8 (5) 3; Dc = 1.693g / cm3; The molecular formula of C3N6O3H4 is an ionic compound formed by the combination of AIM + and NO-3, which contains a large number of hydrogen bonds and has a stable structure.2 - azidiazole Stephenic acid crystal belongs to the triclinic system with space group P1 and the unit cell parameters are a = 6.4900 (13) , b = 7.4286 15, c = 15.401 3, α = 101.57 (3) °, β = 98.56 (3) °, γ = 99.89 (3) °, V = 703.6 (2) 3 and Dc = 1.757 g / cm3. The molecular formula is C9H8N8O9 and is composed of AIM + and HTNR- Ionized water compounds. Differential scanning calorimetry (DSC) and thermogravimetry were used TG-DTG analysis of the thermal decomposition results showed that at a heating rate of 10 ℃ / min, the thermal decomposition of both compounds showed an exothermic peak, the decomposition products are mainly gaseous substances. Finally The sensitivity test of the title compound showed that (AIM) NO3 has a certain degree of flame sensitivity and is expected to be used as an energetic material in related fields.