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Polynuclear nickel(II) complexes with salicylaldimine derivative ligands

The reaction of pentadentate salicylaldimine ligand 2-((2-(2-(2-hydroxybenzylideneamino)ethylthio) ethylimino)methyl)phenol (H2L) and its related hydrogenated derivative 2-((2-(2-(2-hydroxybenzylamino) ethylthio)ethylamino)methyl)phenol (H4L1) with hydrated nitrate and perchlorate nickel(II) salts afforded polynuclear metal complexes. These complexes were characterized by elemental analysis, IR and UV–Vis spectroscopy, molar conductance and variable temperature magnetic measurements. Single crystal X-ray diffraction of [(NiL)2]CH3OH4H2O (1) and [Ni3(H2L1)2(NO3)2] (3) complexes has revealed the presence of an octahedral coordination geometry around the nickel ion. The magnetic data indicate that a moderate antiferromagnetic interaction is present in complexes 1 and 3.


Auteur(s) : Moussa Dieng, Ousmane Diouf, Mohamed Gaye, Abdou Salam Sall, Paulo Pérez-Lourido b, Laura Valencia, Andrea Caneschi, Lorenzo Sorace
Pages : 741–746
Année de publication : 2013
Revue : Inorganica Chimica Acta
N° de volume : 394
Type : Article
Mise en ligne par : DIOUF Ousmane