Information card for entry 2237380

Structure parameters

• Chemical name: 8,8-Dimethyl-8,9-dihydro-7<i>H</i>-chromeno[2,3-<i>b</i>]quinoline-10,12-dione
• Formula: C18 H15 N O3
• Calculated formula: C18 H15 N O3
• SMILES: C1(=O)c2cc3C(=O)CC(Cc3nc2Oc2c1cccc2)(C)C
• Title of publication: 8,8-Dimethyl-8,9-dihydro-7<i>H</i>-chromeno[2,3-<i>b</i>]quinoline-10,12-dione
• Authors of publication: Srinivasan, Thothadri; Yuvaraj, Panneerselvam; Reddy, Boreddy S. R.; Velmurugan, Devadasan
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2013
• Journal volume: 69
• Journal issue: 2
• Pages of publication: o254
• a: 7.4426 ± 0.0006 Å
• b: 10.5117 ± 0.0009 Å
• c: 10.6887 ± 0.0009 Å
• α: 60.939 ± 0.004°
• β: 88.107 ± 0.005°
• γ: 77.546 ± 0.005°
• Cell volume: 711.22 ± 0.11 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0487
• Residual factor for significantly intense reflections: 0.0401
• Weighted residual factors for significantly intense reflections: 0.1106
• Weighted residual factors for all reflections included in the refinement: 0.1183
• Goodness-of-fit parameter for all reflections included in the refinement: 1.054
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes