[2-(Imidazol-4-yl)ethylamine]{[2-(imidazol-4-yl)ethyl][(1-methylimidazol-2-yl)methyl]amine}copper(II) diperchlorate

In the title mononuclear complex, [Cu(C₅H₉N₃)(C₁₀H₁₅N₅)](ClO₄)₂, the Cu^II centre is surrounded by two N-donor ligands, which impose a square-pyramidal environment on the metal. The new tridentate ligand [2-(imidazol-4-yl)­ethyl]­[(1-methyl­imidazol-2-yl)­methyl]­amine (HISMIMA) lies in the basal plane, while the hist­amine ligand occupies the apical and one of the basal positions around the Cu^II ion.