A doubly bridged binuclear iron(III) complex containing inequivalent metal environments. Synthesis, structure and magnetism

Abstract
New doubly bridged iron(III) complexes [Fe2(LA)(OMe)(Cl)2MeOH]1 and [Fe2(LB)(OH)Cl2]2, have been synthesized using the binucleating ligands H3LA=N, N′-bissalicylidene-1,3-diaminopropan-2-ol; and H3LB=N, N′-bissalicylideneimine-1,5-diaminopentan-3-ol; the crystal structure of 1 shows inequivalent coordination environments, a feature which is relevant to Fe geometries in iron-oxo proteins, and 1 shows an intramolecular antiferromagnetic J value of –10.6 cm–1.
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