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Two new mononuclear manganese(III) salen complexes

Nina Lah, Sabina Grabner, Peter Bukovec

Abstract


Two new Mn(III)-salen complexes with 4-aminopyridine (4-apy) have been prepared and structurally characterized. [Mn(ac)(4-apy)(sal)], 1,exhibits mononuclear molecular structure with an octahedral environment around the Mn center. Salen ligand occupies all four basal positions, while the axial sites are occupied by endocyclic nitrogen atom of the 4-apy ligand and acetato oxygen atom. [Mn(4-apy)2(sal)]PF6, 2, is an ionic compound in which the coordination cations, [Mn(4-apy)2(sal)]+, exhibit octahedral geometry. Both axial sites are occupied by endocyclic nitrogen atoms of the
4-aminopyridine ligands. Cations are connected into zig-zag chains via H-bonds. The positive charge is compensated by PF6- anions located between the chains.


Keywords


manganese(III) complexes; salen; 4-aminopyridine; acetate

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DOI: http://dx.doi.org/10.17344/acsi.2014.1022

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Copyright (c) 2015 Nina Lah, Sabina Grabner, Peter Bukovec

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