Information card for entry 7202511

Structure parameters

• Common name: 5,12-dihydro-quino(2,3-b)acridine-7,14-dione
• Chemical name: 5,12-dihydro-quino[2,3-b]acridine-7,14-dione
• Formula: C20 H12 N2 O2
• Calculated formula: C20 H12 N2 O2
• SMILES: c1c2Nc3ccccc3C(c2cc2c1C(c1ccccc1N2)=O)=O
• Title of publication: Crystal structures of quinacridones
• Authors of publication: Paulus, Erich F.; Leusen, Frank J. J.; Schmidt, Martin U.
• Journal of publication: CrystEngComm
• Year of publication: 2007
• Journal volume: 9
• Journal issue: 2
• Pages of publication: 131
• a: 3.8017 ± 0.0015 Å
• b: 6.6115 ± 0.0032 Å
• c: 14.485 ± 0.006 Å
• α: 100.68 ± 0.08°
• β: 94.4 ± 0.06°
• γ: 102.11 ± 0.05°
• Cell volume: 347.3 ± 0.3 ų
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Goodness-of-fit parameter for all reflections: 4.18
• Method of determination: powder diffraction
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No