(2,2'-Bipyridine)(flavonolato)copper(II) Perchlorate, [Cu(bpy)(fla)]ClO₄

3-Hydroxyflavone coordinates to Cu^II together with the auxiliary ligand 2,2'-bipyridine to form a stable cationic flavonolato copper(II) complex, [Cu(C₁₅H₉O₃)(C₁₀H₈N₂)]ClO₄. The complex has distorted square pyramidal geometry. Two O atoms of the flavonol and the N atoms of the chelating bpy ligand are in the basal position, while the perchlorate O atom occupies the apical position.

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