In the title compound, [Mn(CH3O)Cl(C23H 34ClN52)]Cl.H2O, the Mn atom is coordinated by five N atoms from the macrocyclic ligand in an approximately planar pentagonal configuration. In addition, the Mn atom is axially coordinated by a methoxy group and a Cl atom, one on each side of the plane. © 2006 International Union...