Corresponding Author

Abdelbaset, M.

Document Type

Original Article

Subject Areas



Copper (II); Palladium (II); complexes; X-Ray Diffraction; thermal analyses; UV–Vis spectroscopy


Metal complexes formed through the reaction of 2-(Arylmethyleneacetyl) benzimidazole (L1-L4) with copper (II) and palladium (II) ions were prepared and characterized by elemental analysis, conductance measurements, infrared spectra, electronic absorption spectra, X-ray diffraction and thermal analyses. The 2-(Arylmethyleneacetyl)benzimidazole (L1-L4) coordinate as neutral bidentate ligands. The final product in all the cases of TG thermogram of the complexes was found to be metal oxides. Complexes of copper (II) and palladium (II) with 2-(Arylmethyleneacetyl)benzimidazole in solution were studied by spectrophotometric methods and the formation constants and stioichiometries of the complexes were calculated to be 1:2 (M : L) as calculated by continuous variations and the mole ratio methods. The stability sequence is in agreement with the Irving-Williams rule

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