Information card for entry 1544490

Structure parameters

• Formula: C25 H34 O9
• Calculated formula: C25 H34 O9
• SMILES: O1[C@@H]2C[C@H]([C@@]1(O)[C@H](OC(=O)C(=C\C)/C)[C@@H]1[C@H](OC(=O)C1=C)[C@@H](OC(=O)[C@H](CC)C)[C@@](O)(C2)C)C
• Title of publication: Isolation, Structure Elucidation, and Absolute Configuration of Highly Oxygenated Germacranolides from Carpesium cernuum.
• Authors of publication: Liu, Qing-Xin; Yang, Yong-Xun; Zhang, Jian-Ping; Chen, Li-Ping; Shen, Yun-Heng; Li, Hui-Liang; Zhang, Wei-Dong
• Journal of publication: Journal of natural products
• Year of publication: 2016
• Journal volume: 79
• Journal issue: 10
• Pages of publication: 2479 - 2486
• a: 9.1352 ± 0.0006 Å
• b: 13.4879 ± 0.001 Å
• c: 20.6303 ± 0.0014 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2542 ± 0.3 ų
• Cell temperature: 130 K
• Ambient diffraction temperature: 130 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: 0.067
• Residual factor for significantly intense reflections: 0.0556
• Weighted residual factors for significantly intense reflections: 0.1431
• Weighted residual factors for all reflections included in the refinement: 0.1538
• Goodness-of-fit parameter for all reflections included in the refinement: 1.039
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No