Preparation and Characterization of Dichlorobis(N-alkylsalicylideneaminato)manganese(IV) Complexes

Article abstract of DOI:10.1246/bcsj.55.108

The chlorobis(N-alkylsalicylideneaminato)manganese(III) complexes, Mn^III(N-Rsai)2Cl, react with hydrogen chloride to give the corresponding dichloromanganese(IV) complexes, Mn^IV(N-Rsai)2Cl2, as deep green crystals; R can be n-C3H7, n-C4H9, i-C4H9, n-C6H13, c-C6H11, n-C8H17, n-C12H25, n-C18H37, CH2C6H5, or CH2CH2C6H5. These complexes were characterized by the magnetic susceptibilities, electronic spectra, infrared spectra, and cyclic voltammograms. The complexes (R=n-C12H25 and n-C18H37) are found to be stable toward water in the solid state. A trans, six-coordinate configuration is proposed for these Mn(IV) complexes on the basis of the infrared spectra.