MOLECULAR SPECTROSCOPIC STUDIES OF METAL(II)[Mn(II),Co(II) AND Ni(II)] HALOGEN COMPLEXES WITH METHYLANILINES
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Date
2005
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Ohio State University
Abstract
The complexes in the form of MX$_2$L$_2$ [M:Mn(II), Co(II) and Ni(II); L: m-methylaniline or p-methylaniline (mMA or pMA)] were prepared and characterized by their elemental analyses, thermogravimetric analyses, magnetic moment measurements, UV-vis, FT-IR and FT-Raman spectral studies. Elemental analysis suggested the stoichiometry to be 1:2 MX$_2$/L. Thermal decomposition studies showed that the intermediate methal complexes are formed for Mn(II) and Co(II) complexes during their decomposition processes, the metal oxide being finally produced in each case. Vibrational bands of the complexes were assigned as compared with the free ligands. The environment and symmetry around each metal atom have been determined from spectra of the complexes.
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Author Institution: Fatih University, Faculty of Arts and Sciences, Department of; Physics, 34500 Buyukcekmece, Istanbul Turkey; Department of Chemistry, University of Michigan, 930; N. University, Ann Arbor, MI 48109-1055; Max-Planck-Institut fur Kohlenforschung, Kaiser-Wilhelm-Platz; 1, 45470 Mulheim an der Ruhr, Germany