Information card for entry 1569371

Structure parameters

• Formula: C20 H9 N O2
• Calculated formula: C20 H9 N O2
• Title of publication: Geometry engineering of a multiple resonance core <i>via</i> a phenyl-embedded strategy toward highly efficient narrowband blue OLEDs.
• Authors of publication: Wu, Yimin; Liu, Xiaoyu; Liu, Junjie; Yang, Ge; Han, Songyan; Yang, Dezhi; Cao, Xiaosong; Ma, Dongge; Bin, Zhengyang; You, Jingsong
• Journal of publication: Materials horizons
• Year of publication: 2023
• Journal volume: 10
• Journal issue: 9
• Pages of publication: 3785 - 3790
• a: 3.7973 ± 0.0003 Å
• b: 17.7163 ± 0.0014 Å
• c: 19.1364 ± 0.0015 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1287.38 ± 0.18 ų
• Cell temperature: 273 ± 2 K
• Ambient diffraction temperature: 273.15 K
• Number of distinct elements: 4
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.1299
• Residual factor for significantly intense reflections: 0.059
• Weighted residual factors for significantly intense reflections: 0.1039
• Weighted residual factors for all reflections included in the refinement: 0.1322
• Goodness-of-fit parameter for all reflections included in the refinement: 1.019
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No