| C8H20N+·C24H20B3O3− | F(000) = 1112 |
| Mr = 519.08 | Dx = 1.179 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
| a = 9.7245 (7) Å | Cell parameters from 9884 reflections |
| b = 18.3021 (13) Å | θ = 2.4–28.3° |
| c = 16.7716 (12) Å | µ = 0.07 mm−1 |
| β = 101.5456 (9)° | T = 133 K |
| V = 2924.6 (4) Å3 | Prism, colorless |
| Z = 4 | 0.37 × 0.33 × 0.23 mm |