Information card for entry 7233766

Structure parameters

• Formula: C20 H21 N3 O3
• Calculated formula: C20 H21 N3 O3
• Title of publication: Facile synthetic approach towards vasorelaxant active 4-hydroxyquinazoline-4-carboxamides
• Authors of publication: Aziz, Marian N.; Panda, Siva S.; Shalaby, ElSayed M.; Fawzy, Nehmedo G.; Girgis, Adel S.
• Journal of publication: RSC Advances
• Year of publication: 2019
• Journal volume: 9
• Journal issue: 49
• Pages of publication: 28534
• a: 17.5 ± 0.004 Å
• b: 13.189 ± 0.003 Å
• c: 17.709 ± 0.004 Å
• α: 90°
• β: 117.61 ± 0.03°
• γ: 90°
• Cell volume: 3621.9 ± 1.7 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 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 all reflections: 0.0473
• Residual factor for significantly intense reflections: 0.0448
• Weighted residual factors for all reflections: 0.1108
• Weighted residual factors for significantly intense reflections: 0.1098
• Weighted residual factors for all reflections included in the refinement: 0.1098
• Goodness-of-fit parameter for all reflections included in the refinement: 1.1752
• Diffraction radiation wavelength: 0.7 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No