Information card for entry 8106482

Structure parameters

• Formula: C19 H18 O4
• Calculated formula: C19 H18 O4
• Title of publication: Crystal structure of (E)-2-(4-hydroxy-3-methoxybenzylidene)-6-methoxy-3,4-dihydronaphthalen-1(2H)-one, C19H18O4
• Authors of publication: El-Sayed, Nahed N.E.; Almaneai, Norah M.; Ghabbour, Hazem A.; Alafeefy, Ahmed M.
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2017
• Journal volume: 232
• Journal issue: 2
• Pages of publication: 203 - 205
• a: 21.1472 ± 0.0008 Å
• b: 9.7978 ± 0.0004 Å
• c: 14.5181 ± 0.0006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3008.1 ± 0.2 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 60
• Hermann-Mauguin space group symbol: P b c n
• Hall space group symbol: -P 2n 2ab
• Residual factor for all reflections: 0.0871
• Residual factor for significantly intense reflections: 0.052
• Weighted residual factors for significantly intense reflections: 0.1045
• Weighted residual factors for all reflections included in the refinement: 0.1194
• Goodness-of-fit parameter for all reflections included in the refinement: 1.037
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No