Diaqua{6,6′-dimethoxy-2,2′-[ethane-1,2-diylbis(nitrilomethylidyne)]diphenolato-κ<sup>2</sup><i>O</i>,<i>N</i>,<i>N</i>′,<i>O</i>′}manganese(III) perchlorate 18-crown-6 hemisolvate monohydrate
Acta crystallographica. Section E