Information card for entry 7237333

Structure parameters

• Formula: C37 H22 N4 O
• Calculated formula: C37 H22 N4 O
• Title of publication: Emitters with a pyridine-3,5-dicarbonitrile core and short delayed fluorescence lifetimes of about 1.5 μs: orange-red TADF-based OLEDs with very slow efficiency roll-offs at high luminance
• Authors of publication: Chen, Zhanxiang; Wu, Zhongbin; Ni, Fan; Zhong, Cheng; Zeng, Weixuan; Wei, Danqing; An, Kebin; Ma, Dongge; Yang, Chuluo
• Journal of publication: Journal of Materials Chemistry C
• Year of publication: 2018
• Journal volume: 6
• Journal issue: 24
• Pages of publication: 6543
• a: 19.964 ± 0.002 Å
• b: 13.6664 ± 0.0014 Å
• c: 20.645 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 5632.7 ± 1 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 4
• Space group number: 61
• Hermann-Mauguin space group symbol: P b c a
• Hall space group symbol: -P 2ac 2ab
• Residual factor for all reflections: 0.1096
• Residual factor for significantly intense reflections: 0.0524
• Weighted residual factors for significantly intense reflections: 0.1186
• Weighted residual factors for all reflections included in the refinement: 0.1496
• Goodness-of-fit parameter for all reflections included in the refinement: 0.978
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No