. 2021 Jun 8;125(23):5124–5145. doi: 10.1021/acs.jpca.1c03168

Table 7. Rate Constant Recommendations (Symmetry-Uncorrected) for Ḣ Atom Addition to Linear and Branched Alkenes (C₂–C₅).

structure	site	radical formed (deg)	A	n	E_a	uncertainty bounds (upper, lower)
linear	external	1	2.40 × 10⁰⁸	1.60	1526.
	external	2	4.35 × 10⁰⁸	1.54	1144.	1.17, 1.23
	internal	1	7.79 × 10⁰⁷	1.67	2276.	1.32, 1.45
	internal	2	2.74 × 10⁰⁸	1.52	1621.	1.24, 1.43
branched	external	2	4.21 × 10⁰⁸	1.54	1292.
	external	3	1.42 × 10⁰⁹	1.47	836.	1.22,1.29
	Internal_Case1	1	2.27 × 10⁰⁷	1.78	3326.	1.18, 1.21
	Internal_Case2	1	4.29 × 10⁰⁷	1.71	2677.
	internal	2	5.09 × 10⁰⁷	1.65	2401.
	internal	3	5.45 × 10⁰⁸	1.47	1070.

Table 7. Rate Constant Recommendations (Symmetry-Uncorrected) for Ḣ Atom Addition to Linear and Branched Alkenes (C2–C5).