Information card for entry 7248887

Structure parameters

• Formula: C18 H11 F O3
• Calculated formula: C18 H11 F O3
• Title of publication: Modular access to furo[3,2-c]chromen-4-ones via Yb(OTf)3-catalyzed [3 + 2] annulation of 4-hydroxycoumarins with β-nitroalkenes
• Authors of publication: Wang, Hua; Ma, Qin; Xu, Yifei; Sun, Yanyan; Zhao, Siyuan; Wang, Shaoyin; He, Xinwei
• Journal of publication: RSC Advances
• Year of publication: 2024
• Journal volume: 14
• Journal issue: 27
• Pages of publication: 19581 - 19585
• a: 6.9643 ± 0.0008 Å
• b: 17.995 ± 0.002 Å
• c: 11.248 ± 0.0013 Å
• α: 90°
• β: 104.494 ± 0.004°
• γ: 90°
• Cell volume: 1364.8 ± 0.3 ų
• Cell temperature: 300 ± 2 K
• Ambient diffraction temperature: 300 ± 2 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 all reflections: 0.0886
• Residual factor for significantly intense reflections: 0.0607
• Weighted residual factors for significantly intense reflections: 0.2102
• Weighted residual factors for all reflections included in the refinement: 0.2349
• Goodness-of-fit parameter for all reflections included in the refinement: 1.089
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No