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SYNTHESIS AND STRUCTURAL STUDIES OF OXO-VANADIUM (IV), CHROMIUM(III), MANGANESE(II), IRON(II), COBALT(II), NICKEL(II), AND COPPER(II) COMPLEXES WITH A NEW TETRA DENTATE SCHIFF BASE HAVING O: N: N: O DONOR SYSTEM | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 11, Issue 2, 2008, Pages 10-15 | ||
| Author | ||
| Mahmoud N. Al-Jibouri | ||
| Abstract | ||
| The complexes of a new quodridentate Schiff base derived from ethylene diamine and 4-hydroxy-2-mehyl -3-acetyl-pyrane-2-on (dehydroacetic acid) with oxovanadium(IV), Cr(III), Mn(II), Fe(II), Co(II), Ni(II), and Cu(II) have been synthesized and characterized on the bases of their elemental analysis, conductivity, magnetic moments in addition to spectral data of I.R. and U.V.-Visible. Metal to ligand ratio in all complexes has been found to be 1:1.The Schiff base behaves as neutral tetradentate ligand with O:N:N:O system. Cr(III), Mn(II), Fe(II), Co(II), and Cu(II) complexes have been assigned octahedral stereo chemistry, Ni(II) complex has been assigned as square planer geometry, while V(IV) complex was square pyramid. | ||
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