The reaction of Fe(CO)5 with CF3COOH/(CF3CO)2O, or with CF3COOH, in DMF at about 140 C produces the colourless compound 1, [Fe(DMF)6][Fe3(l3-O) (CF3COO)6(DMF)3]2, constituted by the [Fe(DMF)6]2+ cation and by two [Fe3(l3-O)(l2- CF3COO)6(DMF)3] anions, with a triangular disposition of the three iron atoms, the central substantially coplanar oxygen atom being formulated as a singly charged anion O(–I) stabilized by complexation to iron(II).
A Trinuclear Anionic Trifluoroacetato Derivative of Iron(II) Containing a Central O(−I) Ligand / A. Albinati, F. Calderazzo, F. Marchetti, S. A. Mason, B. Melai, G. Pampaloni, S. Rizzato. - In: INORGANIC CHEMISTRY COMMUNICATIONS. - ISSN 1387-7003. - 10:8(2007), pp. 902-904. [10.1016/j.inoche.2007.03.035]
A Trinuclear Anionic Trifluoroacetato Derivative of Iron(II) Containing a Central O(−I) Ligand
A. AlbinatiPrimo
;S. RizzatoUltimo
2007
Abstract
The reaction of Fe(CO)5 with CF3COOH/(CF3CO)2O, or with CF3COOH, in DMF at about 140 C produces the colourless compound 1, [Fe(DMF)6][Fe3(l3-O) (CF3COO)6(DMF)3]2, constituted by the [Fe(DMF)6]2+ cation and by two [Fe3(l3-O)(l2- CF3COO)6(DMF)3] anions, with a triangular disposition of the three iron atoms, the central substantially coplanar oxygen atom being formulated as a singly charged anion O(–I) stabilized by complexation to iron(II).
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