Kinetics and Mechanism of Thermal Decomposition of 1-(Dinitromethyl)-3-R-1H-1,2,4-triazoles

Russian Journal of General Chemistry - Kinetic regularities and the mechanism of thermal decomposition of 3-substituted 1-(dinitromethyl)1H-1,2,4-triazoles in the solid phase and in dibutyl...     

Thermal decomposition of some metal salts of N-nitro-2-cyanoethylamine

Thermal decomposition kinetics of sodium, potassium, rubidium, and copper salts of N-nitro-2-cyanoethylamine has been studied in melt by manometric method combined with IR spectroscopy. The rate constant has been practically independent of the metal cation nature. Thermal decomposition mechanism has been suggested, the limiting stage being homolysis of the C-N bond to form cyanoethyl and metal nitramide radicals. Parameters of the Arrhenius equation and activation entropy have been determined for the limiting stage.     

Effect of additive polyfunctional substituents on the thermal decomposition rate of R1,R2,R3-nitromethanes

Kinetics of thermal decomposition of polyfunctionally substituted nitromethanes has been studied by manometric method as well as IR and chromato-mass spectrometry. Activation parameters of the ratelimiting stage of C-NO₂ homolysis have been determined. The rate constant and the activation energy are correlated with additive steric constants of the substituents; this enables prediction of reactivity (thermal stability) of the unstudied mononitrocompounds which decompose with the break of C-NO₂ bond.     

5‐Nitro‐2‐nitromethyl‐2H‐1,2,3,4‐tetrazole

The mol­ecule of the title compound, C₂H₂N₆O₄, consists of three planar fragments, namely a tetrazole ring, a nitro­methyl group and a nitro group. The nitro group and the tetrazole cycle are arranged in the same plane, but the planar nitro­methyl group is located nearly orthogonal to this plane. The mol­ecules are packed in the crystal via van der Waals interactions.     

Kinetics of Thermal Decomposition of 3,7-Dinitro-1,3,5,7-tetraazabicyclo[3.3.1]nonane

Russian Journal of General Chemistry - The kinetics of thermal decomposition of 3,7-dinitro-1,3,5,7-tetraazabicyclo[3.3.1]nonane has been studied in solid phase and in solution. The mechanism,...     

Kinetics and Mechanism of Liquid-Phase Thermal Decomposition of β-Cyanoethyl-N-nitramines

Termal decomposition of -cyanoethyl-N-nitramine in melt is preceded by protonation of the amino nitrogen atom and is accompanied by evolution of nitrogen(I) oxide with formation of acrylonitrile. Thermal decomposition of bis(-cyanoethyl)-N-nitramine under similar conditions follows a radical mechanism with initial dissociation of the NÄN bond. The same mechanism is operative in thermal decomposition of both N-nitramines in a dilute dibutyl phthalate solution.