Tris(propionitrile-κ<i>N</i>)[1,4,7-tris(cyanomethyl)-1,4,7-triazacyclononane-κ<sup>3</sup><i>N</i><sup>1</sup>,<i>N</i><sup>4</sup>,<i>N</i><sup>7</sup>]copper(II) bis(perchlorate) dihydrate
Acta crystallographica. Section E