Information card for entry 7134669

Structure parameters

• Formula: C31 H28 Br2 O5
• Calculated formula: C31 H28 Br2 O5
• Title of publication: Carbene-organocatalyzed enantioselective [5+5] annulation of dienols and dienals towards tetrahydroisochromen-1-ones.
• Authors of publication: Xu, Ke; Zhao, Jiayi; Lin, Kejun; Zhu, Tingshun
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2025
• Journal volume: 61
• Journal issue: 57
• Pages of publication: 10602 - 10605
• a: 14.4532 ± 0.0001 Å
• b: 14.9913 ± 0.0001 Å
• c: 12.6854 ± 0.0001 Å
• α: 90°
• β: 101.185 ± 0.001°
• γ: 90°
• Cell volume: 2696.37 ± 0.03 ų
• Cell temperature: 99.98 ± 0.1 K
• Ambient diffraction temperature: 99.98 ± 0.1 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.032
• Residual factor for significantly intense reflections: 0.0309
• Weighted residual factors for significantly intense reflections: 0.0853
• Weighted residual factors for all reflections included in the refinement: 0.0861
• Goodness-of-fit parameter for all reflections included in the refinement: 1.07
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No