Complex formation of Cr3+, Mn2+, Ni2+ and Cu2+ ions using 1-((2E,3E)-3-(hydroxyimino)butan-2-ylidene)urea
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Schiff base, Complexes,1-((2E,3E)-3-(hydroxyimino)butan-2-ylidene)urea, Diacetylmonoxime, Urea.
Abstract
Metal complexes of Cr(III), Mn(II), Ni(II), and Cu(II) of the Schiff base derived from 1-((2E,3E)-3-(hydroxyimino)butan-2-ylidene)urea have been prepared and characterized on the basis of physical characteristics, micro-analytical data(CHN), molar conductivity, magnetic moment measurements, Mass spectra, 1HNMR, IR and UV-Vis spectrum data. The elemental analysis data showed the isolated complexes are in 1:1 [M:L] ratio. The obtained molar conductance values revealed the complexes are electrolyte in nature. The results of magnetic moment measurements showed that, the complexes of Cr(III), Mn(II), Ni(II), and Cu(II) have unpaired electrons. The infrared spectral data displayed the main coordination sites of 1-((2E,3E)-3-(hydroxyimino)butan-2-ylidene)urea towards Cr(III), Mn(II), Ni(II) and Cu(II) ions. The electronic spectral results of the Schiff base ligand and its complexes suggest that, the Cr(III), Ni(II), Mn(II) and Cu(II) complexes have octahedral structure.
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