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Synthesis and Spectral Studies of Some Transition Metal Complexes with New Thiazolylazo Ligand | ||
| Iraqi National Journal Of Chemistry | ||
| Article 1, Volume 0, Issue 38, 2014, Pages 311-324 | ||
| Authors | ||
| Khalid. Jawad Al-adely; Abid Allah Mohamad Ali; Rahim. Taher Mehdi | ||
| Abstract | ||
| Abstract A new heterocyclic azo ligand 2-[(6-Methoxy-2-benzothiazolyl) azo] hydroquinone (6-MBTAHQ= H2L) was prepared by the reaction between 6-methoxy-2-benzothiazodiazonium chloride with hydroquinone in alkaline alcoholic solution. Six new chelate complexes of Co (III), Ni (II), Cu (II), Zn (II), Cd (II) and Hg (II) have been prepared and characterized by elemental analysis, magnetic susceptibility, molar conductivity, infrared spectra and electronic spectra. The stability constants of complexes follows the sequence; Cu (II) > Zn (II) > Hg (II) > Co (III) > Ni (II) > Cd ((II). The isolated solid complexes have proposed the general formula [M(LH)2].XH2O, where X=1, M= Cu(II), Zn(II), Hg(II) and X=0 for M=Ni(II) Cd(II). When M= Co (III) the formula is [M (LH)2]Cl. H2O. The different measurements revealed that the metal ion in these complexes has hexa-coordination number with octahedral structure..The analytical data show that the metal to ligand ratio (M : L) in all complexes is (1 : 2) . | ||
| Keywords | ||
| synthesis; Spectral studies; new thiozolyl azo ligand; metal complexes and characterization | ||
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