Effect of additive polyfunctional substituents on the thermal decomposition rate of R1,R2,R3-nitromethanes |
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Authors: | L. A. Kruglyakova R. S. Stepanov O. A. Golubtsova K. V. Pekhotin |
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Affiliation: | 1. Siberian State Technological University, pr. Mira 82, Krasnoyarsk, 660049, Russia
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Abstract: | 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. |
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