| C17H17N52+·2ClO4− | F(000) = 1008 |
| Mr = 490.26 | Dx = 1.575 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -P 2ybc | Cell parameters from 11579 reflections |
| a = 15.044 (6) Å | θ = 3.1–29.6° |
| b = 11.303 (4) Å | µ = 0.37 mm−1 |
| c = 12.783 (5) Å | T = 273 K |
| β = 108.009 (15)° | Block, brown |
| V = 2067.1 (13) Å3 | 0.35 × 0.20 × 0.20 mm |
| Z = 4 |