Abstract
Considering its significant single-ion zero-field splitting and distinctive spin magnetic moment, nickel(II) complex is frequently utilized as a paramagnetic center in the synthesis of magnetic complexes. In this review, the magnetostructural features of dinuclear nickel(II) complexes of tridentate Schiff base ligands with NNO chelator resulting from several N-substituted diamines and salicyldehyde or its analogus aldehydes is discussed. A perfect combination of a tridentate Schiff base together with bridging coligands produces a large number of complexes with fascinating magnetic properties. The structural diversity of the Ni(II) complexes with NNO blocking Schiff bases are mostly directed by both the coordination number of the metal ions and different bridging modes of the co-ligands like azide, nitrate, thiocyanate, carboxylates, etc. The relationship between magnetic exchange interaction (i.e. ferromagnetic or antiferromagnetic) with bonding parameters such as Ni···Ni separation, Ni–O–Ni angles have also been analyzed. This review is focused on the structural aspects as well as the magnetic characterization of nickel(II) dimmers of tridentate Schiff bases having NNO donor sets to establish a magnetostructural correlation.
Published Version
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