Benzotriazolate-mediated assembly of the discrete asymmetric pentanuclear nickel complex [Ni5(OH)(bta)5(acac)4(H2O)4](Hbta = benzotriazole, Hacac = pentane-2,4-dione)

Abstract
Reaction of [Ni(acac)2(H2O)2] with benzotriazole (Hbta) in acetone–n-hexane yields the pentanuclear nickel complex [Ni5(OH)(bta)5(acac)4(H2O)4]1; the novel structure of this compound is described, together with the results of magnetic susceptibility studies which indicate antiferromagnetic coupling between the nickel(II) ions within the complex.
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