Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 18, Issue 3, Pages 987-994Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201102773
Keywords
detonation performance; energetic salts; impact sensitivity; nitrogen; polynitro compounds
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Funding
- ONR [N00014-10-0097]
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4-Nitramino-3,5-dinitropyrazole was prepared and stabilized through the formation of its ammonium salt. With selected cations, 14 nitrogen-rich energetic salts were synthesized in high yield by metathesis reactions. These salts were fully characterized by H-1, C-13 NMR, and IR spectroscopy and elemental analysis. Additionally, the structures of the ammonium, 3,4,5-triaminotriazolium, and biguanidinium salts were confirmed by single-crystal X-ray diffraction. Based on experimental and calculated values, the 4-nitramino-3,5-dinitropyrazolate salts show properties, such as decomposition temperatures (115-229 degrees C), detonation pressures (23.27-37.42 GPa) and velocities (7713-9013 ms(-1)), and impact sensitivities (5-40 J) that place them with energetics such as RDX and TATB.
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