Table 9. Calculated energy barriers (in kJ mol^–1) of TS3 based on 2-methyl-4-R-phenyl Grignard reagents and methyl fluoride and the charge (|e|) of γ-carbon.

R	H	F	Cl	Me	OMe	NMe2
ΔG‡	97.0	98.3	97.6	94.9	92.2	91.2
γ-C	–0.388	–0.387	–0.376	–0.390	–0.388	–0.390