Construction of Polynitro Compounds as High-Performance Oxidizers via a Two-Step Nitration of Various Functional Groups.

An oxygen-rich energetic compound, 1,3-bis(trinitromethyl)-1,2,4-triazole (13), was obtained by a two-step nitration and found to have an excellent crystal density of 1.90 g/cm3 confirmed by X-ray single-crystal diffraction. This highly dense material, as a green energetic oxidizer, features an attractive positive oxygen balance, an acceptable sensitivity, and a good enthalpy of formation, making it a competitive replacement for AP.