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Potassium 4,4'-Bis(dinitromethyl)-3,3'-azofurazanate: A Highly Energetic 3D Metal-Organic Framework as a Promising
Yongxing Tang1, Chunlin He1, Lauren A Mitchell2
1Department of Chemistry, University of Idaho, Moscow, ID, 83844-2343, USA.
Abstract:
Environmentally acceptable alternatives to toxic lead-based primary explosives are becoming increasingly important for energetic materials. In this study, potassium 4,4'-bis(dinitromethyl)-3,3'-azofurazanate, comprising two dinitromethyl groups and an azofurazan moiety, was synthesized and isolated as a new energetic 3D metal-organic framework (MOF). Several attractive properties, including a density of 2.039 g cm(-3) , a decomposition temperature of 229 °C, a detonation velocity of 8138 m s(-1) , a detonation pressure of 30.1 GPa, an impact sensitivity of 2 J, and friction sensitivity of 20 N make 4 a good candidate as a green primary explosive.