Calculated activation Gibbs free energies (ΔG^‡, kcal mol⁻¹), tunneling corrections (κ), k_Eck, k_overall (M⁻¹ s⁻¹) and branching ratios (Γ, %) for the HOO˙ scavenging of the FMT in pentyl ethanoate.

Mechanism	Position	ΔG‡	κ	k Eck	k app	Γ
FHT	6-FMT–C5–H	19.8	116.6	24.0	24.0	99.6
	6-FMT–O24–H	18.9	0.1	9.4 × 10−3	9.4 × 10−3	0.4
	k overall				24.0
FHT	10-FMT-C5-H	19.1	43.2	2.50	2.50	9.7
	10-FMT-O24–H	19.3	488.0	23.0	23.0	90.3
	k overall				25.5