Non-Heme
Mononitrosyldiiron Complexes: Importance
of Iron Oxidation State in Controlling the Nature of the Nitrosylated
Products
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Abstract
Mononitrosyldiiron complexes having
either an [Fe<sup>II</sup>·{FeNO}<sup>7</sup>] or an [Fe<sup>III</sup>·{FeNO}<sup>7</sup>] core formulation have been synthesized
by methods that rely on redox-state-induced differentiation of the
diiron starting materials in an otherwise symmetrical dinucleating
ligand environment. The synthesis, X-ray structures, Mössbauer
spectroscopy, cyclic voltammetry, and dioxygen reactivity of [Fe<sup>III</sup>·{FeNO}<sup>7</sup>] are described