首页> 外文期刊>Chemistry: A European journal >1,2,3-Triazolo[4,5,-e]furazano[3,4,-b]pyrazine 6-Oxide—A Fused Heterocycle with a Roving Hydrogen Forms a New Class of Insensitive Energetic Materials
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1,2,3-Triazolo[4,5,-e]furazano[3,4,-b]pyrazine 6-Oxide—A Fused Heterocycle with a Roving Hydrogen Forms a New Class of Insensitive Energetic Materials

机译:1,2,3-三唑并[4,5,-e]呋喃并[3,4,-b]吡嗪6-氧化物—带有流动氢的熔融杂环形成一类新的不敏感的高能材料

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摘要

The straightforward synthesis and energetic properties of a new class of energetic materials, 1,2,3-triazolo- [4,5-e]furazano[3,4-b]pyrazine 6-oxide and its energetic salts are described. They were characterized by IR and multinuclear NMR spectroscopy, elemental analysis, differential scanning calorimetry, and single-crystal X-ray diffraction are given. The X-ray structures show that in the title compound, the hydrogen atom is bonded to the nitrogen in the pyrazine ring; however, in the salts, the negative charge is associated with the triazole nitrogen. Heats of formation for all compounds were calculated with the G2 method and then combined with experimentally determined densities to obtain detonation pressures (P) and velocities (D) by using EXPLO5 program. These new materials exhibit good densities and thermal stabilities, high heats of formation, acceptable detonation properties, and are insensitive to impact.
机译:描述了新型一类高能材料1,2,3-三唑-[4,5-e]呋喃并[3,4-b]吡嗪6-氧化物及其高能盐的直接合成和高能性能。通过红外和多核NMR光谱,元素分析,差示扫描量热法和单晶X射线衍射对它们进行了表征。 X射线结构表明,在标题化合物中,氢原子与吡嗪环中的氮键合;然而,在盐中,负电荷与三唑氮有关。所有化合物的形成热均采用G2方法计算,然后结合实验确定的密度,使用EXPLO5程序获得爆轰压力(P)和速度(D)。这些新材料具有良好的密度和热稳定性,高的成型热,可接受的爆轰性能,并且对撞击不敏感。

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