Hexaaquamanganese(II) 3-carboxy-4-hydroxybenzenesulfonate dihydrate

In the title compound, [Mn(H2O)(6)]L-2.2H(2)O, where HL is 3-carboxy-4-hydroxybenzenesulfonic acid (C7H6O6S), each Mn-II cation lies on an inversion center and is octahedrally coordinated by six water molecules. The L. anions do not coordinate to manganese, but act as counter-anions. The crystal structure is composed of alternating layers of [Mn(H2O)(6)](2+) cations and sulfonate anions. The [Mn(H2O)(6)](2+) cations, water molecules and L. anions are connected through a complex pattern of H-bonding interactions.