Monomeric Oxovanadium(IV) Compounds of the General Formula cis-[V[sup IV](=O)(X)(L[sub NN])[sub 2]][sup +/0] {X = OH[sup -], Cl[sup -], SO[sub 4, sup 2-] and L[sub NN] = 2,2′-Bipyridine (Bipy) or 4,4′-Disubstituted Bipy}.

Studies the monomeric oxovanadium(IV) compounds. Formulation of the general formula from the reaction of [V[supIV]OCL[sub2](THF)[sub2]] in aqueous solution with AgBF[sub4]; Yield of the addition of Bs(CIO[sub4]) and bipy to an aqueous solution; Demonstration of crystal structures by x-ray diffraction analysis; Crystallization of compound 2.1 in the orthorhombic space group and compound 6 in the monoclinic space group.