Preparation, structure, and properties of [NEt4][Mn(edt)2(Him)](H2edt = ethane-1,2-dithiol; Him = imidazole), a mononuclear manganese(III) thiolate possessing a rare manganese(III)-imidazole bond

Abstract

[Mn(edt)₂(Him)]^–(1), prepared from the reaction of [Mn₂(edt)₄]^2–(2) with excess of imidazole (Him) or from the aerial oxidation of MnCl₂–Na₂edt–Him mixtures (H₂edt = ethane-1,2,-dithiol), contains a distorted square-pyramidal Mn(S)₄N co-ordination unit and represents the first example of a non-porphyrin manganese(III)–imidazole complex of relevance to the metal-binding modes of manganese(III)-containing biomolecules.