Table 11. Recommended Rate Constants for Alkyl Radical Decomposition Forming an Olefin + Radical^a.

class	A	n	Ea	uncertainty bounds (upper, lower)
alkyl radical ↔ olefin + ĊH3	2.54 × 1010	1.04	30 573	2.86, 3.71
alkyl radical ↔ olefin + Ċ2H5	5.20 × 1011	0.57	29 308	1.34, 3.11
alkyl radical ↔ olefin + nĊ3H7	9.62 × 1011	0.55	30 678	1.61, 2.60
alkyl radical ↔ olefin + iĊ3H7	6.87 × 1012	0.31	28 225

^a(ATⁿ = s^–1, energies = cal mol^–1). Fit between 300 and 2000 K.