期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 2, 页码 542-548出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201303469
关键词
explosives; fused heterocycles; impact sensitivity; pyrazoles; triazoles
资金
- ONR [N00014-10-1-0536, N00014-11-AF-0-0002]
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 multi-nuclear 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.
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