Metal ion binding to octakis(dimethylamino)porphyrazine: core coordination of Mn(III) and peripheral coordination of Pd(II)

The manganese(III) porphyrazine complexes (Mn(Et2dtc)ODMAPz) and (Mn(Cl)ODMAPz) have eight peripheral dimethylamino groups attached to the beta-carbon atoms of the pyrrole rings. This was gleaned from the syntheses and determination of the X-ray crystal structures of the two complexes. Electrochemical data also reveal that the complexes are electron-rich and are an extremely strong reductant, while magnetic susceptibility measurements showed an S = 2 ground state with axial zero-field splitting.