Synthesis and Characterization of the Complexes of Some 2-methyl-4-iso propylidene oxazol-5-one. Transition Metals with
journal of kerbala university,
2013, Volume 9, Issue 2, Pages 204-214
AbstractComplexes of Cr(III),Mn(II),Fe(III), Co(II) and Cu(II)) with 2-methyl-4-aceto-5-oxazolone have been synthesized and characterized by Metal content, molar conductance, magnetic susceptibility, and FT- IR ,Uv-vis spectroscopic techniques . the complexes of Mn(II) and Co(II) exhibit the composition[ M L2 X2], where some complexes exhibit the composition [ M L2(H2O)2 X2] M =Cr(III), Fe(III) and Cu (II) , L =2-methyl-4-aceto-5-oxazolone and X=C1. The metal coordinate with nitrogen atom C=N group of the ligand. The N donor ligand acts as a monodentate ligand in all complexes. The spectral analysis indicate tetrahedral geometry for Mn(II),Co(II), complexes while octahedral geometry for the Cr(III), Fe(III) and Cu (II) complexes. The Structure geometries of these compounds were also suggested in gas phase by using theoretical treatment , using Hyper chem.-6 program through the molecular mechanics and semi-empirical calculations .The heat of formation(∆Hfo) and binding energy(∆Eb) for the free ligands and its metal complexes were calculated by PM3 method.
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