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. Author manuscript; available in PMC: 2014 Nov 19.
Published in final edited form as: Acc Chem Res. 2013 Sep 26;46(11):2725–2739. doi: 10.1021/ar400149m

FIGURE 13.

FIGURE 13

MO diagrams of (TMC)FeIV=O in (A) S = 1 (ground) and (B) S = 2 states, showing that excitation of β-dxy e into α-dx2–y2 orbital leads to spin-polarization of the α-manifold and a low-energy α-dz2 FMO for reactivity. (C) Isosurface plots of S = 2 FMOs.