Information card for entry 7156410

Structure parameters

• Chemical name: X-78
• Formula: C30 H38 O3
• Calculated formula: C30 H38 O3
• Title of publication: Xylopsides A-D, four rare guaiane dimers with two unique bridged pentacyclic skeletons from Xylopia vielana.
• Authors of publication: Xie, Yang-Guo; Guo, Yi-Gong; Wu, Guo-Jing; Zhu, Sheng-Lan; Cheng, Tao-Fang; Zhang, Yu; Yan, Shi-Kai; Jin, Hui-Zi; Zhang, Wei-Dong
• Journal of publication: Organic & biomolecular chemistry
• Year of publication: 2018
• Journal volume: 16
• Journal issue: 37
• Pages of publication: 8408 - 8412
• a: 7.865 ± 0.004 Å
• b: 8.24 ± 0.005 Å
• c: 10.747 ± 0.007 Å
• α: 100.15 ± 0.03°
• β: 96.1 ± 0.04°
• γ: 112.36 ± 0.04°
• Cell volume: 622.4 ± 0.7 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 3
• Space group number: 1
• Hermann-Mauguin space group symbol: P 1
• Hall space group symbol: P 1
• Residual factor for all reflections: 0.0456
• Residual factor for significantly intense reflections: 0.042
• Weighted residual factors for significantly intense reflections: 0.1115
• Weighted residual factors for all reflections included in the refinement: 0.1173
• Goodness-of-fit parameter for all reflections included in the refinement: 1.013
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No