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Is 1-nitro-1-triazene a high energy density material?
Weijie Chi1, Ting Yan, Butong Li
1Key Laboratory of Cluster Science of Ministry of Education, School of Chemistry, Beijing Institute of Technology, Beijing, 100081, China.
Journal of Molecular Modeling
|July 20, 2014
Summary
Researchers explored 1-nitro-1-triazene, a novel high energy density material. Theoretical calculations indicate it possesses superior thermal stability and detonation properties compared to established explosives like HMX and RDX.
Area of Science:
- Computational chemistry
- Materials science
- Energetic materials
Background:
- Azo bridges (-N=N-) are known to enhance explosive properties.
- Amino and nitro groups are key functional groups for high energy density materials.
Purpose of the Study:
- To theoretically investigate the thermal stability and detonation performance of 1-nitro-1-triazene (NH2-N=N-NO2).
- To evaluate its potential as a high energy density material.
Main Methods:
- Geometry optimization using Møller–Plesset perturbation theory (MP2) with the 6-311G* basis set.
- High-level coupled cluster with singles, doubles, and triples (CCSD(T)) calculations with the 6-311G* basis set to predict thermal stability and detonation parameters.
Main Results:
- The molecule exhibits enhanced thermal stability due to p→π conjugation and intramolecular hydrogen bonding.
- Calculated detonation parameters exceed those of well-known explosives such as cyclotrimethylenetrinitramine (RDX) and high melting explosive (HMX).
Conclusions:
- 1-nitro-1-triazene is a promising high energy density material.
- The presence of the azo bridge, amino, and nitro groups contributes to its energetic properties and stability.