Information card for entry 7214705

Structure parameters

• Common name: 1:0.5 ethenzamide and fumaric acid cocrystal
• Chemical name: cocrystal of ethenzamide with fumaric acid
• Formula: C11 H13 N O4
• Calculated formula: C11 H13 N O4
• Title of publication: Pharmaceutical cocrystals of ethenzamide: structural, solubility and dissolution studies
• Authors of publication: Aitipamula, Srinivasulu; Wong, Annie B. H.; Chow, Pui Shan; Tan, Reginald B. H.
• Journal of publication: CrystEngComm
• Year of publication: 2012
• Journal volume: 14
• Journal issue: 24
• Pages of publication: 8515
• a: 8.2154 ± 0.0016 Å
• b: 8.4654 ± 0.0017 Å
• c: 9.3991 ± 0.0019 Å
• α: 70.3 ± 0.03°
• β: 71.82 ± 0.03°
• γ: 65.97 ± 0.03°
• Cell volume: 550.4 ± 0.2 ų
• Cell temperature: 110 ± 2 K
• Ambient diffraction temperature: 110 ± 2 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: 0.0827
• Residual factor for significantly intense reflections: 0.0763
• Weighted residual factors for significantly intense reflections: 0.1899
• Weighted residual factors for all reflections included in the refinement: 0.196
• Goodness-of-fit parameter for all reflections included in the refinement: 1.154
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No