(Naphthalene-2,3-diolato-κ<sup>2</sup><i>O</i>,<i>O</i>′)[tris(pyridin-2-ylmethyl)amine-κ<sup>4</sup><i>N</i>]cobalt(III) tetraphenylborate acetone monosolvate hemihydrate
Acta crystallographica. Section E