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. Author manuscript; available in PMC: 2023 Jan 10.
Published in final edited form as: Angew Chem Int Ed Engl. 2021 Nov 30;61(2):e202111492. doi: 10.1002/anie.202111492

Figure 2.

Figure 2.

(a) Generation of 2 from 1 + O2 in THF at −80 °C. (b) Titration of 1 (24 μM) with O2 (0 – 1.0 equiv) at −80 °C. (c) Overlay of zero-field 57Fe Mössbauer spectra for 1 and 2 in THF at 80 K. Global fits for 1 (green) and 2 (brown).