Information card for entry 7156411

Structure parameters

• Chemical name: X-90
• Formula: C30 H40 O2
• Calculated formula: C30 H40 O2
• 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: 7.6619 ± 0.0003 Å
• b: 7.6737 ± 0.0003 Å
• c: 21.935 ± 0.0009 Å
• α: 97.812 ± 0.002°
• β: 92.511 ± 0.002°
• γ: 94.499 ± 0.002°
• Cell volume: 1271.83 ± 0.09 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: 0.0999
• Residual factor for significantly intense reflections: 0.0931
• Weighted residual factors for significantly intense reflections: 0.2768
• Weighted residual factors for all reflections included in the refinement: 0.2842
• Goodness-of-fit parameter for all reflections included in the refinement: 1.051
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No