Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C34H38O8 |
| M r | 574.64 |
| Crystal system, space group | Orthorhombic, P b c n |
| Temperature (K) | 293 |
| a, b, c () | 19.7086(5), 20.3099(7), 8.8443(4) |
| V (3) | 3540.2(2) |
| Z | 4 |
| Radiation type | Cu K |
| (mm1) | 0.62 |
| Crystal size (mm) | 0.35 0.28 0.26 |
| Data collection | |
| Diffractometer | Oxford Diffraction Xcalibur Ruby |
| Absorption correction | Multi-scan (SCALE3 ABSPACK in CrysAlis PRO; Oxford Diffraction, 2009 ▸) |
| T min, T max | 0.914, 1.000 |
| No. of measured, independent and observed [I > 2(I)] reflections | 12345, 3340, 1826 |
| R int | 0.049 |
| (sin /)max (1) | 0.613 |
| Refinement | |
| R[F 2 > 2(F 2)], wR(F 2), S | 0.056, 0.162, 0.93 |
| No. of reflections | 3340 |
| No. of parameters | 200 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| max, min (e 3) | 0.24, 0.17 |