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

Comp.	States	ΔG‡	κ	k D	k app	f	k f	Γ
6-FMT	HA−	29.8	17.0	8.80 × 109	9.50 × 10−10	0.684	6.50 × 10−10	0.0
	A2–	6.4	12.9	8.80 × 109	1.20 × 108	0.305	3.66 × 107	100.0
							3.66 × 107	Chem
10-FMT	HA−	33.5	15.9	8.70 × 109	1.70 × 10−12	0.978	1.66 × 10−12	0.0
	A2−	5.6	16.0	8.70 × 109	4.50 × 108	0.021	9.45 × 106	100.0
							9.45 × 106	Chem