Information card for entry 7237741

Structure parameters

• Formula: C38 H32 N4
• Calculated formula: C38 H32 N4
• Title of publication: Naphthyridine-based thermally activated delayed fluorescence emitters for multi-color organic light-emitting diodes with low efficiency roll-off
• Authors of publication: Chen, Cheng; Lu, Hai-Yan; Wang, Yin-Feng; Li, Meng; Shen, Yi-Fan; Chen, Chuan-Feng
• Journal of publication: Journal of Materials Chemistry C
• Year of publication: 2019
• Journal volume: 7
• Journal issue: 16
• Pages of publication: 4673
• a: 9.0322 ± 0.0001 Å
• b: 12.2675 ± 0.0001 Å
• c: 25.1471 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2786.36 ± 0.06 ų
• Cell temperature: 169.99 ± 0.1 K
• Ambient diffraction temperature: 169.99 ± 0.1 K
• Number of distinct elements: 3
• 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: 0.0408
• Residual factor for significantly intense reflections: 0.0357
• Weighted residual factors for significantly intense reflections: 0.09
• Weighted residual factors for all reflections included in the refinement: 0.0973
• Goodness-of-fit parameter for all reflections included in the refinement: 1.074
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No