Abstract

New derivatives of 5,5′,5″-tris(tetrazolyl)amine (H3tta) are designed by replacing N–H with N–NO2 and N–OH groups. Two H3tta derivatives (B and F) were selected for the design of 1:1 (cation:anion) energetic salts. Their heats of formation (HOF) and densities were predicted and combined to estimate the velocities of detonation (VOD) and detonation pressures (DP). Impact sensitivity of H3tta compounds containing nitramine functionality was assessed using h50, free space in a crystal lattice, and heats of detonation (Q). The calculated explosive power index about picric acid showed that most of the H3tta compounds and salts can be used as potential energetic materials. Those compounds and salts were found to exhibit superior detonation performance when compared with RDX and HMX. According to our results, newly designed H3tta derivatives may be used to develop high-performance energetic materials with lower sensitivity.

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