Information card for entry 1542948

Structure parameters

• Formula: C28 H40 O4
• Calculated formula: C28 H40 O4
• SMILES: O1[C@@]2(CC[C@H]3C(C)(C)C[C@@H]3C(=C)CC[C@H]2CC2=C1C(C(=O)C(=C2O)C(=O)C(C)C)(C)C)C
• Title of publication: Hyperjapones A-E, Terpenoid Polymethylated Acylphloroglucinols from Hypericum japonicum.
• Authors of publication: Yang, Xing-Wei; Li, Yan-Ping; Su, Jia; Ma, Wei-Guang; Xu, Gang
• Journal of publication: Organic letters
• Year of publication: 2016
• Journal volume: 18
• Journal issue: 8
• Pages of publication: 1876 - 1879
• a: 8.6184 ± 0.0002 Å
• b: 16.3163 ± 0.0004 Å
• c: 17.7667 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2498.36 ± 0.1 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0338
• Residual factor for significantly intense reflections: 0.0336
• Weighted residual factors for significantly intense reflections: 0.0864
• Weighted residual factors for all reflections included in the refinement: 0.0866
• Goodness-of-fit parameter for all reflections included in the refinement: 1.062
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No