Combination of Nitrogen-Rich Skeleton and Coordination Group: Synthesis of a High-Energy Primary Explosive Based on 1H-Tetrazole-5-Carbohydrazide

Abstract

The high energy coordination compounds Cu(TZCA)2(ClO4)2 (ECCs-1) was prepared by 1H-tetrazole-5-carbohydrazide (TZCA) with a high energy skeleton and a strong coordination ability group. At the same time, the reaction activity of the ligand was explored, and the single crystal structure of it and intermediate were obtained. The structures of all substances were characterized by IR and EA. And the structure and composition of ECCs-1 are confirmed by ESP, AC, SEM and ICP-OES. Physical and chemical properties tests show that ECCs-1 has an acceptable thermal stability (Td = 177°C) and extremely sensitive mechanical stimulation (IS = 1 J, FS = 5 N). The comprehensive performance test results show that ECCs-1 has excellent initiation ability. In addition, the decomposition mechanism of ECCs-1 is explored from two aspects of experiment and theoretical calculation.

Keywords

• 1H-tetrazole-5-carbohydrazide
• Primary explosive
• Decomposition mechanism
• Coordination polymers
• Laser