1,4-Diazo­niabicyclo­[2.2.2]octane bis­(2,4,6-trinitro­phenolate)

In the title compound, C(6)H(14)N(2) (2+)·2C(6)H(2)N(3)O(7) (−), the cation possesses crystallographically imposed twofold rotation symmetry. In the crystal structure, the cation and anions are linked into a trimeric aggregate by inter­molecular N—H⋯O hydrogen bonds. The trimeric units are further connected by π–π inter­actions [centroid–centroid distances = 3.507 (2)–3.660 (3) Å], forming layers parallel to the bc plane.