Information card for entry 1572976

Structure parameters

• Formula: C20 H21 N O3
• Calculated formula: C20 H21 N O3
• Title of publication: Fine-tuning the molecular conformation and packing structures of coumarin-based luminogens to achieve distinct piezochromic properties upon mechanical grinding and under hydrostatic pressures.
• Authors of publication: Fu, Shijie; Jia, Hao; Meng, Xinmiao; Wang, Chengyuan; Li, Qian; Li, Lei; Yang, Jiaxiang; Niu, Helin
• Journal of publication: Materials horizons
• Year of publication: 2024
• a: 6.4917 ± 0.0018 Å
• b: 19.911 ± 0.006 Å
• c: 12.759 ± 0.004 Å
• α: 90°
• β: 90.73 ± 0.02°
• γ: 90°
• Cell volume: 1649 ± 0.9 ų
• Cell temperature: 150 K
• Ambient diffraction temperature: 150 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: 0.0517
• Residual factor for significantly intense reflections: 0.0343
• Weighted residual factors for significantly intense reflections: 0.0788
• Weighted residual factors for all reflections included in the refinement: 0.0857
• Goodness-of-fit parameter for all reflections included in the refinement: 1.017
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54186 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No