Abstract
New dioxouranium(VI) complexes with the tridentate dibasic Schiff bases derived from salicylaldehyde, 5-chlorosalicylaldehyde, 5-bromosalicylaldehyde, 5-nitrosalicylaldehyde, 3,5-dichlorosalicylaldehyde, 4-methoxysalicylaldehyde, 5-methoxysalicylaldehyde, 3-ethoxysalicylaldehyde, 2-hydroxy-1-naphthaldehyde and 2-aminoethanethiol have been synthesised by the reaction of methanolic solution of dioxouranium(VI) acetate dihydrate and the Schiff base. The Schiff bases behave as ONS tridentate donor dibasic ligands. The complexes are of the type UO 2L · CH 3OH, where LH 2 = the tridentate, dibasic Schiff base. The complexes have been characterised on the basis of elemental analysis, infrared and electronic spectra, conductance, magnetic susceptibility and molecular weight measurements. The complexes are diamagnetic, monomers, and octahedral.
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