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. 2024 Mar 13;121(12):e2319799121. doi: 10.1073/pnas.2319799121

Fig. 1.

Fig. 1.

Top: Generation of anti and syn-isomers of [FeIV(O)(TMC)(CH3CN)]2+ complexes in CH3CN by respective treatment of the FeII precursor with oxo-transfer agents PhIO and the sterically bulkier s-ArIO at 25 °C. Bottom: van der Waals radii space-filling models for the anti (Left) and syn (Right) isomers showing greater substrate accessibility to the oxo atom in the syn isomer.