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. Author manuscript; available in PMC: 2019 Apr 17.
Published in final edited form as: J Am Chem Soc. 2018 Nov 26;140(48):16495–16513. doi: 10.1021/jacs.8b06517

Figure 15.

Figure 15.

FMOs used by side-on (left) and end-on (center) FeIII-hydroperoxy species, as well as for an end-on FeIII-superoxy species (right), in forming a peroxy bridged intermediate. Only the end-on FeIII-superoxy π*σ FMO has a good orbital coefficient on the attacking O and overlap with the π cloud of the substrate for electrophilic attack.