Synthesis, crystal structures and thermal stabilities of zinc coordination polymers containing the 3-hydrazino-4-amino-1,2,4-triazole ligand

摘要: AbstractTwo zinc coordination polymers, {[Zn(HATr)2](NO3)2}n (1) and {[Zn2(HATr)4](ZnCl4)(NO3)2·H2O}n (2), were synthesized from reactions of 3-hydrazino-4-amino-1,2,4-triazole dihydrochloride (HATr·2HCl) with Zn(NO3)2. The polymers characterized by single-crystal X-ray diffraction, Fourier transform infrared spectroscopy (FTIR), elemental analysis, differential scanning calorimetry. crystal structures revealed that 1 2 have 1-D-chain structures, which further assembled to form 3-D-frameworks hydrogen bonds. Thermal analyses showed these two compounds thermal stability up 280 °C. energies combustion, enthalpies formation, critical temperatures explosion, entropies activation (ΔS≠), (ΔH≠), free (ΔG≠) also measured calculated. Furthermore, the sensitivities toward impact, friction, static determined, less sensitive than Ni(N2H4)3(NO3)2.