Abstract
The chelates, Ln(HL) 2Cl 3· nH 2O of acetylferrocene benzoylhydrazone with 15 lanthanide(III) metals have been prepared and characterized by elemental analysis, IR, UV, molar conductance, TG and DTA. It was found that the ligand coordinates to the central ions in the keto form, and some chloride ions and water molecules participate in coordination to the metal ion. The chelates are 1 : 1 electrolytes in methanol and DMF, and are more thermostable than their ligand due to the formation of chelate rings.
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