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Amino-tetrazole functionalized fused triazolo-triazine and tetrazolo-triazine energetic materials

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Abstract

The synthesis of two fused high-nitrogen compounds and their energetic salts is presented. All new compounds were well characterized by IR and multinuclear NMR spectroscopy, thermal analysis, and elemental analysis. Some of them (5–8, and 11) were further determined by single crystal X-ray diffraction analysis. With high nitrogen contents (59.6–76.8%) and tremendous ring-strain energy, these fused compounds exhibit high positive heats of formation ranging from 2.35 to 4.23 kJ g−1, much higher than those of RDX (0.32 kJ g−1) and HMX (0.25 kJ g−1). The high enthalpies and extensive noncovalent interactions (hydrogen bonds and π–π interaction) impart them with promising detonation performance. Their energetic performance was evaluated using EXPLO5. Among them, compounds 7, 10, and 11 exhibit high densities, good detonation properties, and excellent mechanical stabilities, thereby highlighting their potential applications as new insensitive energetic materials.

Graphical abstract: Amino-tetrazole functionalized fused triazolo-triazine and tetrazolo-triazine energetic materials

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Publication details

The article was received on 04 Mar 2019, accepted on 26 Apr 2019 and first published on 26 Apr 2019


Article type: Communication
DOI: 10.1039/C9CC01777A
Chem. Commun., 2019, Advance Article

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    Amino-tetrazole functionalized fused triazolo-triazine and tetrazolo-triazine energetic materials

    Q. Wang, Y. Shao and M. Lu, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC01777A

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