Novel energetic salts based on nitrogen-rich fused ring cations: Synthesis, characterization and infrared laser ignition property

In this work, four energetic nitrates (1-4) based on nitrogen-rich fused ring cations were prepared and characterized. The structures of these compounds were confirmed by single crystal X-ray diffraction. The results indicated that compounds 1-4 had different layered structures with the densities in the range of 1.616-1.805 g∙cm-3. The highest density value of 1.805 g∙cm-3 was represented in compound 2, which was higher than that of most other nitrates. Moreover, compounds 1-4 had good thermal stabilities, the decomposition temperatures were in the ranged of 165-181 oC, which made them have great potential to further develop. The calculated detonation velocities and detonation pressures of these compounds were in the range of 7678-8925 m∙s-1, and 21.96-32.39 GPa, respectively. The greatest detonation velocity and detonation pressure were observed in compound 3. The specific impulses of these compounds were in the range of 199.8-244.9 m∙s-1. Notably, compound 1 had near infrared laser (λ=1064 nm) ignition capacity, which was the first example of CHNO based energetic compound with near infrared laser ignition performance.