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Klapötke, Thomas M.; Pflüger, Carolin (2017): 3-Nitramino-4-nitrofurazan: Enhancing the Stability and Energetic Properties by Introduction of Alkylnitramines. In: Zeitschrift für Anorganische und Allgemeine Chemie, Vol. 643, No. 9: pp. 619-624
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Nitration of 3-amino-4-nitrofurazan with N2O5 yielded the corresponding nitramine. 3-Nitramino-4-nitrofurazan is a very promising explosive regarding detonation performance but it suffers from its hygroscopicity, low thermal stability, and high sensitivity to external stimuli. The introduction of other nitramine groups either by alkylation with 1-chloro-2-nitrazapropane or by combination of two 3-nitramino-4-nitrofurazans yielded the corresponding more stable and non-hygroscopic open-chain nitramines. Their molecular structures were investigated by single-crystal X-ray diffraction. The remarkable difference of their impact sensitivities were evaluated by calculation of their electrostatic potential of the molecular surfaces. Furthermore, the detonation parameters and combustion parameters of the open-chain nitramines were computed with the EXPLO5 (v. 6.02) computer code.