| [Cu(C16H28N4)](ClO4)2 | F(000) = 1116 |
| Mr = 538.86 | Dx = 1.702 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
| a = 8.6918 (12) Å | Cell parameters from 9732 reflections |
| b = 12.0588 (16) Å | θ = 2.9–30.6° |
| c = 20.068 (3) Å | µ = 1.35 mm−1 |
| β = 90.153 (3)° | T = 100 K |
| V = 2103.4 (5) Å3 | Clear dark blue cube, clear dark blue |
| Z = 4 | 0.24 × 0.21 × 0.21 mm |