| [Co2Na2O(C6H18NSi2)4] | Z = 1 |
| Mr = 821.41 | F(000) = 440 |
| Triclinic, P1 | Dx = 1.243 Mg m−3 |
| a = 8.8839 (18) Å | Mo Kα radiation, λ = 0.71073 Å |
| b = 10.591 (2) Å | Cell parameters from 1020 reflections |
| c = 12.700 (3) Å | θ = 2.8–24.6° |
| α = 96.75 (4)° | µ = 1.02 mm−1 |
| β = 108.93 (3)° | T = 100 K |
| γ = 99.15 (3)° | Block, green |
| V = 1097.4 (5) Å3 | 0.3 × 0.24 × 0.2 mm |