Figure 1
From: Resonant X-ray photo-oxidation of light-harvesting iron (II/III) N-heterocyclic carbene complexes
Schemes of the two Fe-NHC complexes studied: (a) \({[\hbox {Fe}^{{{\rm{II}}}}(\hbox {btz})_2(\hbox {bpy})]^{2+}}\) and (b) \({[\hbox {Fe}^{{\rm{III}}}(\hbox {btz})_3]^{3+}}\), where btz = 3,3’-dimethyl-1,1’-bis(p-tolyl)-4,4’-bis(1,2,3-triazol-5-ylidene) and bpy = 2,2’-bipyridine.
