Unimolecular Decomposition of Chemically Activated sec-Butyl Radicals From H Atoms Plus cis-Butene-2

摘要

Chemically activated sec-butyl radicals have been produced at temperature between -103° and 25℃ by reaction of H atoms with cis-butone-2. H atoms were allowed to effuse through a molecular slit into a spherical reactor containing olefine at low pressure. The system resembles the polyani diffusion flams, and some solutions for the radial distribution functions of the species involved are given. Disproportionation – recombination ratios for sec-butyl radicals, and for methyl plus butyl radicals, were measured as 0.94 and 030 respectively. The ratios of stabilization as decomposition by C-C rupture for the energized butyl radicals were measured as a function of pressure and temperature. Hydrogen and helium were also used as inert gases.