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. Author manuscript; available in PMC: 2022 Mar 8.
Published in final edited form as: Angew Chem Int Ed Engl. 2021 Feb 3;60(11):5907–5912. doi: 10.1002/anie.202013791

Figure 3.

Figure 3.

(A) UV–vis spectra illustrating the conversion of [(PIm)FeIII─(O22−)]− (PIm-P) to [(PIm)FeIII─(OOH)] (PIm-HP) by addition of [(LutH+)](OTf) at −80 ℃ in THF. (B) Low-spin EPR spectrum (10 K) of PIm-HP. Note that there is g = 1.99 signal from excess of cobaltocene used for generation of the peroxide complex. An extra signal at g > 2.00 (compared to the EPR spectrum shown in Figure 2) is attributed to an unknown impurity.