. Author manuscript; available in PMC: 2008 Nov 21.

Published in final edited form as: J Am Chem Soc. 2007 Oct 30;129(46):14500–14510. doi: 10.1021/ja076121h

Table 1.

Mössbauer and Optical Spectroscopic Parameters for μ-1,2-Peroxodiiron(III) Complexes

Donor Set	Bridging Ligands	λ_max [nm]	ε[M⁻¹cm⁻¹]	δ[mm/s]	ΔE_Q [mm/s]	Ref.
N₃O₃	hydroxo	644	3000	0.50	1.31	40
N₃O₃^a	oxo	577	1500	0.50	1.46	40
N₃O₃^a	alkoxo carboxylato	665	2300	0.57	1.44	17
N₃O₃	alkoxo carboxylato	710	1500	0.58	1.17	17
N₃O₃	alkoxo carboxylato	500 – 800	1700	0.65 0.58	1.70 0.70	16
N₃O₃	dicarboxylato	694	2650	0.66	1.40	18
N₄O₂*	oxo	494, 648, 846	1100, 1200, 230	0.54	1.68	43

These compounds were characterized by Mössbauer and optical spectroscopy only.