C4H14N22+·2ClO4−	F(000) = 300
Mr = 289.07	Dx = 1.653 Mg m−3
Monoclinic, C2/m	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -C 2y	Cell parameters from 1622 reflections
a = 19.4755 (10) Å	θ = 3.8–28.2°
b = 5.6210 (3) Å	µ = 0.59 mm−1
c = 5.3470 (2) Å	T = 296 K
β = 97.222 (3)°	Block, colourless
V = 580.70 (5) Å3	0.50 × 0.34 × 0.16 mm
Z = 2