C5H13N2+·C7H4IO2−	Z = 2
Mr = 348.17	F(000) = 344
Triclinic, P1	Dx = 1.695 Mg m−3
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71073 Å
a = 6.2418 (4) Å	Cell parameters from 4189 reflections
b = 9.5465 (8) Å	θ = 3.3–25.4°
c = 12.5346 (9) Å	µ = 2.34 mm−1
α = 110.708 (8)°	T = 293 K
β = 90.235 (5)°	Rods, colourless
γ = 101.559 (6)°	0.48 × 0.24 × 0.2 mm
V = 682.19 (9) Å3