Figure 4.
The 80 K Mössbauer spectra of the in situ iron species as a function of reaction time at 25 °C from reaction of 57FeCl2(SciOPP) (57Fe–1-Cl2) with 2 equiv PhMgBr in 1:1 THF/2-MeTHF. The individual Mössbauer components are identified as 4a (red), 4b (blue), 3 (orange), and 2 (purple).