Exchange interactions in some binuclear iron(III)complexes studied by EPR

A mono-oxo-bridged binuclear iron(iii) complex with a Fe–O–Fe angle of 180.0° and its catalytic activity for hydrogen evolution

“…3, the iron complex showed almost the same EPR sign both in the solid state and DMF solution with 〈 g 〉 = 2.001, which is comparable to those observed in related species. 29–32 This result can be attributed to the fact that two iron ions are connected by a monobridge (μ–o) with a Fe–O–Fe angle of 180.0°. We also used Mössbauer spectroscopy to characterize the title iron complex, with the results shown in Fig.…”