Abstract
A tetranuclear cobalt(ΙΙ) complex [Co(HLMe,Me)]4(ClO4)4·5CH3OH·1.5H2O (H2LMe,Me=1,5-bis(1-(6-methylpyridine-2-yl)ethylidene)carbonohydrazide) was achieved by self-assembly and characterized by X-ray crystallographic analysis and magnetic measurement. In the Co4 rectangle grid, the Co(ΙΙ) centers are in a distorted octahedral environment with N4O2 or N5O coordination spheres and bridged by two μ-O bridges and two μ-N–N bridges, respectively. Variation in R2 site of the ligand influences the electromagnetic environment of the metal centers to some extent. The magnetic investigation indicates that there is an antiferromagnetic interaction between the HS Co(II) ions.
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