| [Cs(C6HN8O8)] | F(000) = 1696 |
| Mr = 446.06 | Dx = 2.321 Mg m−3 |
| Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
| a = 19.944 (2) Å | Cell parameters from 8000 reflections |
| b = 8.6307 (7) Å | θ = 2.2–27.8° |
| c = 16.2083 (17) Å | µ = 2.97 mm−1 |
| β = 113.766 (8)° | T = 213 K |
| V = 2553.4 (5) Å3 | Prism, yellow |
| Z = 8 | 0.20 × 0.16 × 0.14 mm |