C6H12N3+·C7H3N2O7−	Z = 2
Mr = 353.30	F(000) = 368
Triclinic, P1	Dx = 1.525 Mg m−3
a = 7.0109 (4) Å	Cu Kα radiation, λ = 1.54184 Å
b = 10.6617 (8) Å	Cell parameters from 2218 reflections
c = 10.7454 (7) Å	θ = 4.2–72.3°
α = 93.075 (6)°	µ = 1.09 mm−1
β = 95.863 (5)°	T = 173 K
γ = 104.944 (6)°	Irregular, yellow
V = 769.30 (9) Å3	0.22 × 0.14 × 0.12 mm