Information card for entry 2007658

Structure parameters

• Formula: C22 H18 N2 O2
• Calculated formula: C22 H18 N2 O2
• SMILES: Cn1c(cc2c(c1=O)cc(n(c2=O)C)c1ccccc1)c1ccccc1
• Title of publication: 2,6-Dimethyl-3,7-diphenyl-2,6-naphthyridine-1,5(2<i>H</i>,6<i>H</i>)-dione
• Authors of publication: Hajime Irikawa; Kinya Iijima
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1998
• Journal volume: 54
• Journal issue: 9
• Pages of publication: 1318 - 1320
• a: 23.138 ± 0.005 Å
• b: 11.22 ± 0.002 Å
• c: 6.882 ± 0.001 Å
• α: 90°
• β: 93.94 ± 0.02°
• γ: 90°
• Cell volume: 1782.4 ± 0.6 ų
• Cell temperature: 298 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 significantly intense reflections: 0.0669
• Weighted residual factors for all reflections included in the refinement: 0.0694
• Goodness-of-fit parameter for all reflections included in the refinement: 1.041
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoK~α~
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes