Theoretical investigation of nitrogen-rich high-energy-density materials based on furazan substituted s-triazine

Journal of Molecular Modeling
Yan HuangBindong Li

Abstract

A series of furazan substituted s-triazine derivatives were designed and investigated theoretically as potential nitrogen-rich high-energy-density materials in this work. Density functional theory (DFT) methods were used to predict the heats of formation (HOFs) and compounds structure was optimized at B3PW91/6-31G++ (d,p) level. The explosive detonation parameters were calculated based on Kamlet-Jacobs equations and Born-Haber cycle. The presence of the -NO2 and - NH2 groups in the same structure were found to be helpful in improving structural stability through intramolecular weak interactions. Most of the designed compounds were characterized by high HOFs (solid-phase heat of information 71.01-518.20 kJ/mol) and crystal density values (1.74-1.90 g/cm3). In the analysis of frontier molecular orbital that some designed compounds chemical activity similar with TATB, but show better detonation performance. The predicted results reveal that some designed nitrogen-rich compounds outperform traditional energetic materials and may be considered as potential candidates for high-energy materials. Graphical Abstract BRIEFS A series of furazan substituted s-triazine derivatives were designed and investigated theoretically as potential ni...Continue Reading

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