Information card for entry 2009383

Structure parameters

• Formula: C20 H26 Br2 O4
• Calculated formula: C20 H26 Br2 O4
• Title of publication: Structure of a tetracyclic intermediate in the synthesis of <i>Daphniphyllum</i> alkaloids
• Authors of publication: Castellano, E.E.; Brocksom, T. J.; Ceschi, M.A.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1994
• Journal volume: 50
• Journal issue: 1
• Pages of publication: 124 - 126
• a: 11.09 ± 0.001 Å
• b: 8.672 ± 0.001 Å
• c: 20.699 ± 0.002 Å
• α: 90°
• β: 94.79 ± 0.01°
• γ: 90°
• Cell volume: 1983.7 ± 0.3 ų
• Cell temperature: 292 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for significantly intense reflections: 0.042
• Weighted residual factors for significantly intense reflections: 0.049
• Goodness-of-fit parameter for significantly intense reflections: 2.64
• Diffraction radiation wavelength: 1.5418 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No