The crystal structure of catena -polydiaqua-bis( μ 2 -1,4-bis(1-imidazole)benzene- κ 2 N : N )-(1,4-bis (1-imidazole)benzene- κ 1 N )manganese(II) bis(2,3-norbornanedicarboxylate) dihydrate, C 54 H 60 MnN 12 O 12 | Synapse