| C44H24I2N8O2Si | F(000) = 960 |
| Mr = 978.60 | Dx = 1.788 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| a = 12.6431 (6) Å | Cell parameters from 9148 reflections |
| b = 19.587 (1) Å | θ = 2.7–27.5° |
| c = 7.5403 (4) Å | µ = 1.82 mm−1 |
| β = 103.222 (1)° | T = 147 K |
| V = 1817.78 (16) Å3 | Plate, blue |
| Z = 2 | 0.40 × 0.22 × 0.04 mm |