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- W2488278323 abstract "Salicylaldehyde has been reacted with aniline and 1,2 phenylendiamine to give the NO and N 2 O 2 Schiff Base type ligands named 2-[(pheneylimino) methyl] phenol (LH) and N,N'-bis( salicylidene)-1,2-phenylenediamine (L''H 2 ) . The structures of the ligands were elucidated by FT-IR, 1 H-NMR, 13 C-NMR and UV-Vis electronic spectra. The coordination behavior of the (LH) and (L''H 2 ) towards Cu(II) and Co(II) ions has been investigated The reaction of the Schiff base ligands (LH), (L''H 2 ) with cobalt (II) and copper (II) ions in 1:1 molar ratio afforded mononuclear metal complexes. Whereas, the reaction of the Schiff base ligand (L''H 2 ) with cobalt (II) and copper (II) ions in 1:2 molar ratio gave binuclear metal complexes. The changes in the selected vibration bands in FT-IR indicate that Schiff bases behave as (NO) bidentate and N 2 O 2 tetradentate ligands and coordinate to metal ions from phenolic oxygen atoms and azomethine nitrogen atoms. Characterization and structure elucidation of the prepared complexes were achieved by FT-IR, UV-Vis electronic spectra. The metal complexes exhibited different geometrical arrangements such as square planner, tetrahedral and octahedral arrangements. Keywords: Salicylaldehyde, Schiff base, mononuclear and binuclear complexes, bidentate and tetradentate ligands" @default.
- W2488278323 created "2016-08-23" @default.
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- W2488278323 date "2016-01-01" @default.
- W2488278323 modified "2023-09-26" @default.
- W2488278323 title "Synthesis of Co(ІІ) and Cu(ІI) Complexes with NO and N2O2 Ligands derived from Salicylaldehyde" @default.
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