Figure 1.

a) Calculated Cs–centroid distances (Å) for toluene upon benzylic C−H cleavage: reactant (A), transition state (B), product (C). b) Superimposition of the solid‐state structures of benzyl complexes of Li(orange), Na (turquoise), and K (blue). Methyl groups and all protons from the M₆‐TREN ligand are omitted for clarity.