Abstract

Synthesis dimethylglyoxime based heterotrimetallic macrocyclic complex was carried by taking the advantage of preferred coordination geometry of copper and chromium and selective use of sodium thiocyanate as axial ligand. The complex was characterized by elemental analysis, IR and MS. Magnetic behaviour of this complex, strong antiferromagnetic interactions were observed between metal ions which can be explained on the basis of spin orbit coupling. Electronic properties of the complex were studied using cyclic voltametry. Four well defined redox states were displayed in cyclic voltagram of which three were assigned to metal centers and one was ligand based redox state. On the other hand, the magnetic anisotropy due to different magnitude and nature of interactions in the complex makes it a possible single molecular magnet.

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