Information card for entry 2016876

Structure parameters

• Chemical name: 2-Amino-4-methoxy-6-phenyl-11<i>H</i>-pyrimido[4,5-<i>b</i>][1,4]benzodiazepine
• Formula: C18 H15 N5 O
• Calculated formula: C18 H15 N5 O
• SMILES: O(c1nc(nc2Nc3c(C(=Nc12)c1ccccc1)cccc3)N)C
• Title of publication: Four 2-amino-6-aryl-4-methoxy-11<i>H</i>-pyrimido[4,5-<i>b</i>][1,4]benzodiazepines: similar molecular structures but different crystal structures
• Authors of publication: Rodríguez, Ricaurte; Cobo, Justo; Nogueras, Manuel; Low, John N.; Glidewell, Christopher
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2008
• Journal volume: 64
• Journal issue: 12
• Pages of publication: o643 - o648
• a: 7.022 ± 0.006 Å
• b: 12.855 ± 0.009 Å
• c: 16.199 ± 0.008 Å
• α: 90°
• β: 93.851 ± 0.005°
• γ: 90°
• Cell volume: 1458.9 ± 1.8 ų
• Cell temperature: 120 ± 2 K
• Ambient diffraction temperature: 120 ± 2 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: 0.0984
• Residual factor for significantly intense reflections: 0.0846
• Weighted residual factors for significantly intense reflections: 0.2173
• Weighted residual factors for all reflections included in the refinement: 0.2254
• Goodness-of-fit parameter for all reflections included in the refinement: 1.201
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes