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metal-organic compounds
Schiff-base ligands derived from triketones form stable complexes with VO. In the mononuclear vanadyl complex of 5,5'-(2-hydroxy1,3-propandiyldiamino)bis(1-phenyl-1,3-hexanedione), vanadium is five-coordinate, equatorially bonded to four carbonyl O atoms in a nearly square-planar arrangement and axially to one other O atom. N atoms are not involved in complex formation. The hydroxy group is disordered.