Fig. 5. (a) Depiction of allyl like ligand binding to the metal centre. (b) NCI plot for TS-2 (M = Mg, n = 1). (c) activation strain analysis (ASA): TS-2 (M = Mg, n = 1) along the Mg–C_γ bond. ASA plots for complete TS-2 series can be found in the ESI (Table S8, Fig. S19–S36†).