Information card for entry 7157731

Structure parameters

• Formula: C16 H20 O5
• Calculated formula: C16 H20 O5
• Title of publication: Archromones A-F, unusual polycyclic dearomatic geranylquinol derivatives from the roots of <i>Arnebia euchroma</i>.
• Authors of publication: Yan, Hai-Wei; Zhang, Xu; Yang, Ya-Nan; Feng, Zi-Ming; Jiang, Jian-Shuang; Zhang, Pei-Cheng
• Journal of publication: Organic & biomolecular chemistry
• Year of publication: 2020
• Journal volume: 18
• Journal issue: 41
• Pages of publication: 8424 - 8432
• a: 7.2801 ± 0.0002 Å
• b: 9.9611 ± 0.0003 Å
• c: 18.9298 ± 0.0005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1372.75 ± 0.07 ų
• Cell temperature: 111.65 ± 0.1 K
• Ambient diffraction temperature: 111.65 ± 0.1 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: 0.036
• Residual factor for significantly intense reflections: 0.035
• Weighted residual factors for significantly intense reflections: 0.0892
• Weighted residual factors for all reflections included in the refinement: 0.09
• Goodness-of-fit parameter for all reflections included in the refinement: 1.075
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No