School of Chemistry

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Browsing School of Chemistry by Author "Adekunle, F. A."
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    Synthesis, characterization, and crystal structures of [Cu(phen) < inf > 2 < /inf > Cl]Cl. 6.5H < inf > 2 < /inf > O and [Cu(phen) < inf > 2 < /inf > Br]Br
    ( 2010-02-01) Onawumi, O. O. ; Adekunle, F. A. ; Ibrahim, A. O. ; Rajasekharan, M. V. ; Odunola, O. A.
    Two mixed-ligand complexes of copper(II) with 1,10-phenanthroline and halides [Cu(phen)2Cl]Cl.6.5H2O (1) and [Cu(phen) 2 Br]Br (2), have been synthesized and characterized by microanalysis, spectroscopic, magnetic and single-crystal X-ray diffraction studies. The two complexes are isostructural in which the coordination geometry about the copper(II) ion is that of a trigonal bipyramid, with the central copper atom bound to one chloride (I) and one bromide (2) atom and four nitrogen atoms of the two phenanthroline ligands. The result of IR, electronic spectra, electron spin resonance (ESR) and magnetic measurements are discussed. Copyright © Taylor & Francis Group, LLC.