Summary
Coordination chain polymers of Mn(II), Fe(II), Co(II), Ni(II), Cu(II), zn(II), and Cd(II) with 5,5-(benzidinebisazo)-8-hydroxyquinoline were synthesized by refluxing a mixture of metal acetate hydrates and ligand (1∶1) in DMSO. From analytical data an empirical formula of ML.2H2O is indicated. Ir spectra reveal coordination through O and N of oxine units, thus forming the polymeric chain; presence of coordinated water is also indicated. Magnetic moments and electronic spectra suggest octahedral geometry around the central metal ion. Besides the presence of 2H2O, TGA shows the order of thermal stability as : Cd∼Zn> Mn> Co∼Ni∼Cu>Fe.
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Banerjie, V., K. Dey, A. Polymeric coordination complexes of some bipositive metal ions with 5,5′-(benzidinebisazo)-8-hydroxyquinoline. Polymer Bulletin 1, 685–690 (1979). https://doi.org/10.1007/BF00255443
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DOI: https://doi.org/10.1007/BF00255443