| C42H48N6O18Tm2 | Z = 1 |
| Mr = 1262.72 | F(000) = 624 |
| Triclinic, P1 | Dx = 1.825 Mg m−3 |
| a = 8.9659 (6) Å | Mo Kα radiation, λ = 0.71073 Å |
| b = 10.9722 (7) Å | Cell parameters from 4358 reflections |
| c = 12.8027 (8) Å | θ = 2.5–27.0° |
| α = 88.195 (3)° | µ = 3.92 mm−1 |
| β = 71.599 (3)° | T = 296 K |
| γ = 74.402 (3)° | Prism, light yellow |
| V = 1149.10 (13) Å3 | 0.32 × 0.18 × 0.16 mm |