Gravar-mail: μ(3)-Acetato-μ(2)-acetato-(di­methyl­form­amide)­penta­kis­(μ-N,2-dioxido­benzene-1-carboximidato)penta­kis­(1-methyl-1H-imidazole)­penta­manganese(III)manganese(II)–diethyl ether–di­methyl­formamide–methanol–water (1/1/1/1/0.49)