Abstract
The IR absorption spectra of oxine and their transition metal (Mn++, Co++, Ni++, Cu++, Zn++, Cr++, Cr+++ and Fe+++) complexes were recorded in the region 200 to 2000 cm−1 and are discussed. It can be assumed that the transition metal oxine complexes are of higher symmetry and hence only two metal-ligand (ML) bands appear. The intensity of the ML bands was calculated by computer. It was found that the intensity of these bands forms the sequence: Mn++ < Co++ < Ni++ < Cu++ > Zn++, which is the same as that for a tetrahedral high spin CFSE.
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Shabaka, A.A., Fadly, M., El Ghandoor, M.A. et al. IR spectroscopic study of some oxine transition metal complexes. J Mater Sci 25, 2193–2198 (1990). https://doi.org/10.1007/BF01045789
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DOI: https://doi.org/10.1007/BF01045789