Arrhenius plot for the free energy barrier associated with TS1 (panel A), TS2 (panel B), TS3 (panel C), TS4 (panel D), and TS5 (panel E). Values of the natural logarithm of the rate constant (ln(k)) are represented in year^–1 and the inverse of the temperatures (1/T) in K^–1. Represented in blue are the RRKM rate constants and in orange the rate constants, considering tunneling. Also included are the fits and correlation coefficients.