Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C27H26O3 |
| M r | 398.48 |
| Crystal system, space group | Monoclinic, P21/c |
| Temperature (K) | 293 |
| a, b, c () | 20.5663(12), 15.2878(9), 14.5689(8) |
| () | 107.938(4) |
| V (3) | 4358.0(4) |
| Z | 8 |
| Radiation type | Mo K |
| (mm1) | 0.08 |
| Crystal size (mm) | 0.25 0.23 0.20 |
| Data collection | |
| Diffractometer | Bruker Kappa APEXII CCD |
| Absorption correction | Multi-scan (SADABS; Bruker, 2008 ▸) |
| T min, T max | 0.981, 0.985 |
| No. of measured, independent and observed [I > 2(I)] reflections | 33189, 7901, 3714 |
| R int | 0.057 |
| (sin /)max (1) | 0.600 |
| Refinement | |
| R[F 2 > 2(F 2)], wR(F 2), S | 0.063, 0.193, 0.99 |
| No. of reflections | 7901 |
| No. of parameters | 546 |
| H-atom treatment | H-atom parameters constrained |
| max, min (e 3) | 0.31, 0.21 |