Information card for entry 7161094

Structure parameters

• Formula: C19 H20 O6
• Calculated formula: C19 H20 O6
• Title of publication: Discovery of artemargyins A-E: rare 9'-nor-dibenzylbutane lignans and a lignan-coumarin hybrid with antihepatic fibrosis activities from Artemisia argyi var. gracilis
• Authors of publication: Wu, Ying; Ma, Ze; Huang, Yong-Xiang; Li, Tian-Ze; Wang, Yong-Cui; Chen, Ji-Jun
• Journal of publication: Organic & Biomolecular Chemistry
• Year of publication: 2025
• a: 10.4759 ± 0.0002 Å
• b: 5.4789 ± 0.0001 Å
• c: 15.0364 ± 0.0003 Å
• α: 90°
• β: 104.289 ± 0.001°
• γ: 90°
• Cell volume: 836.34 ± 0.03 ų
• Cell temperature: 150 ± 2 K
• Ambient diffraction temperature: 150 ± 2 K
• Number of distinct elements: 3
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Residual factor for all reflections: 0.0388
• Residual factor for significantly intense reflections: 0.0364
• Weighted residual factors for significantly intense reflections: 0.0938
• Weighted residual factors for all reflections included in the refinement: 0.0964
• Goodness-of-fit parameter for all reflections included in the refinement: 1.032
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No