| [Cu(C9H8N2O4)2] | F000 = 924 |
| Mr = 451.87 | Dx = 1.645 Mg m−3 |
| Orthorhombic, Pbcn | Mo Kα radiation λ = 0.71073 Å |
| Hall symbol: -P 2n 2ab | Cell parameters from 12587 reflections |
| a = 8.2003 (16) Å | θ = 3.2–27.5º |
| b = 16.234 (3) Å | µ = 1.25 mm−1 |
| c = 13.708 (3) Å | T = 291 (2) K |
| V = 1824.9 (6) Å3 | Bluck, black |
| Z = 4 | 0.26 × 0.24 × 0.19 mm |