Synthesis and investigation the thermal behavior thermodynamically of new metal Complex of Cobalt nitrate

Document Type : Research Paper


Increasing the molecular accumulation and density of high-energy substances have a determinative role in improving the performance and intensity of energy release. Therefore, it is possible to increase the density of high-energy materials if the high-energy molecules can be arranged around a metal core as coordinated molecules. The aim of this project was to synthesize energetic complexes of cyclo molecules with Cobalt nuclei, cyclo molecule reacted with metal nitrate salts. To this purpose, cyclo was reacted with Cobalt nitrate with molar ratio of 1:4 in DMF solvent, respectively. To evaluate the ligand-to-metal ratio and characterize the structure of complex as well as to ensure proper complex synthesis, optical microscopy, UV-Vis spectroscopy, FT-IR spectroscopy and thermal gravimetric analysis (TGA) were used. The thermal decomposition process of the synthesized complexes compared to the pure cyclo showed that the cyclo coordinated to the central metals of nitrate intermediates, a two-step thermal decomposition process, converted to one step process. The energy released during the thermal decomposition process of Cobalt nitrate complexes is 649.3822 J/gr.