Bis(amantadinium) 5,5′-Diazenediylditetrazolate Dihydrate

In the centrosymmetric title compound, 2C(10)H(18)N(+)center dot C2N102-center dot 2H(2)O, the 5,5'-diazenediylditetrazolate anions are linked to amantadinium cations and water molecules via hydrogen bonding into a two-dimensional network.