Information card for entry 7161229

Structure parameters

• Chemical name: 3-(diethylamino)-9-ethanone-6H-chromeno[4,3-b]quinolin-6-one
• Formula: C22 H20 N2 O3
• Calculated formula: C22 H20 N2 O3
• Title of publication: Synthesis of 7-(Diethylamino)-Chromene-fused Quinolines and 7-(Diethylamino)-4-Amino-3-Formyl-Coumarin Derivatives, Structural Elucidation, and Photophysical Properties
• Authors of publication: Hosen, Nazmul; Case, Leah; Dukette, Sadira; Pokhrel, Nishrenika; Wallace, Karl
• Journal of publication: Organic & Biomolecular Chemistry
• Year of publication: 2026
• a: 8.327 ± 0.004 Å
• b: 8.873 ± 0.003 Å
• c: 13.494 ± 0.006 Å
• α: 87.287 ± 0.013°
• β: 72.854 ± 0.011°
• γ: 66.15 ± 0.01°
• Cell volume: 868.4 ± 0.6 ų
• Cell temperature: 100 ± 0.5 K
• Ambient diffraction temperature: 100 ± 0.5 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: 0.0924
• Residual factor for significantly intense reflections: 0.0583
• Weighted residual factors for significantly intense reflections: 0.1418
• Weighted residual factors for all reflections included in the refinement: 0.1696
• Goodness-of-fit parameter for all reflections included in the refinement: 1.011
• Diffraction radiation wavelength: 0.56086 Å
• Diffraction radiation type: AgKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No