Abstract: Copper based on tetrazole-1-acetate acid (Htza) was synthesized with tetrazole-1-acetate acid and cupric carbonate basic, a new component method in aqueous solution and obtained its single crystal. The molecular formula and structure of the title complex was characterized by using the elemental analysis and FT-IR techniques, which is [Cu(tza)2]n, and the result is in accordance with the X-ray single crystal diffraction data. The thermal decomposition process of [Cu(tza)2]n was investigated by using differential scanning calorimetry (DSC) and thermogravimetry-derivative thermogravimetry (TG-DTG), which indicated the thermal decomposition of the title compound displayed three exothermic decompositions and the first exothermic decomposition kinetic parameters Ea and A of these compounds were calculated by the Kissinger method and Ozawa-Doyle method. According to the standard test method GJB 770A-97, the friction sensitivity, impact sensitivity, flame sensitivity and 5 seconds ignition point of the compound were measured, which demonstrated the compound had a certain degree sensitivity and [Cu(tza)2]n could be applied in potential energetic material. Thermal decomposition data of mixture of [Cu(tza)2]n and RDX demonstrates: the addition of the title complex makes the onset temperature and peak temperature of RDX shift downwards, and the thermal decomposition of RDX is accelerated due to the catalyst of the [Cu(tza)2], which can provide theoretical support to further performance study as the title complex is added to the propellant formulations to regulate the burning rate.

Key words: Energetic coordination compound, Tetrazole-1-acetic acid, Crystal structure, Thermal analysis, Catalytic , property