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. Author manuscript; available in PMC: 2017 Oct 5.
Published in final edited form as: J Am Chem Soc. 2016 Sep 22;138(39):12791–12802. doi: 10.1021/jacs.6b03346

Figure 8.

Figure 8

UV–vis spectral changes for the reaction of 3 (0.99 mM) with IBX-ester at −35 °C in CH3CN (left). Freeze-quench Mössbauer spectrum for 3 (5 mM) + IBX-ester at −5 °C in CH3CN/2-methylbutane after 22 s (right). The species are ls-FeII 3, thick solid black; hs-FeII 3, dashed black; FeII intermediate, blue; FeIVO intermediate, red; sum of fitted species, thin black line; Fe(III) products, unfitted.