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Preparation and characterization of Trivalent lanthanide ion complexes with tridentate mono azo Ligand | ||
| Journal Of Wassit For Science & Medicine | ||
| Article 1, Volume 1, Issue 2, 2008, Pages 31-43 | ||
| Author | ||
| Kameran B.Hussein | ||
| Abstract | ||
| The lanthanide complexes of 4-(2-pyridylazo)-resorcinol are prepared in solid state. All compounds have been characterized by means of elemental analysis (C.H.N) molar conductance, magnetic susceptibility and analytical spectral studies IR and UV-Visible spectral techniques. While the complexes have additionally been characterized by differential thermal analysis data and are formulated as [Ln(C11H8N3O2)3].H2O Ln = Pr3+ , Nd3+ and Sm3+ ; [ Ln(C11H8N3O2)3 ] Ln = Eu3+, Er3+ and Yb3+ . The results of these studies on the synthesis and structural characterization, suggest neutral lanthanide complexes in which the mono azo ligand being a uninegative (deprotonated form) and tridentate ligand. The absorption spectral profiles suggest a coordination number of nine around Ln(III) ions in the complexes. | ||
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