15.  New Heteronuclear Complexes in Cu(II)-VO(IV) System. Synthesis and Properties of Complexes Containing 4,4- bipyridine and Oxalato Ion as Ligands

Authors: Mihaela Vlad, I. Labadi and Otilia Costisor


Abstract:

The heterometallic complex [Cu(VO)2(C10H8N2)2(C2O4)22H2O]n has been obtained and characterized by electronic and IR spectrum and molecular electrical conductivity. The electronic spectrum show the presence of VO (IV) species of C symmetry and Cu (II) in octahedral surrounding. The molar conductivity value in DMSO proves that the heteronuclear oxalate-compound is nonelectrolyte. IR spectrum proves the presence of the coordinated 4,4-dipyridyl and of the oxalate anion V4h.


Keywords: 4,4-bipyridine, oxalate ligand, copper, vanadium, IR, VIS

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