For "thermal gas-phase chemical reactions"; contains 11,700 distinct reactant pairs.
Kinetics data is difficult to find because each set of reaction conditions is unique. Searching the literature is a good way to find this data, otherwise there area a few databases that might help.
Data for free radical processes involving primary radicals from water, inorganic radicals and carbon-centered radicals in solution, and singlet oxygen and organic peroxyl radicals in various solvents.
