Information card for entry 7217953

Structure parameters

• Common name: bis(methylurea) fumaric acid
• Chemical name: bis(N-methylurea) trans-butenedioic acid
• Formula: C8 H16 N4 O6
• Calculated formula: C8 H16 N4 O6
• SMILES: C(=C\C(=O)O)/C(=O)O.C(=O)(NC)N.C(=O)(NC)N
• Title of publication: Engineering short, strong hydrogen bonds in urea di-carboxylic acid complexes
• Authors of publication: Jones, Andrew O. F.; Leech, Charlotte K.; McIntyre, Garry J.; Wilson, Chick C.; Thomas, Lynne H.
• Journal of publication: CrystEngComm
• Year of publication: 2014
• Journal volume: 16
• Journal issue: 35
• Pages of publication: 8177
• a: 8.5509 ± 0.0016 Å
• b: 5.5691 ± 0.0008 Å
• c: 13.909 ± 0.002 Å
• α: 90°
• β: 102.959 ± 0.007°
• γ: 90°
• Cell volume: 645.49 ± 0.18 ų
• Cell temperature: 200 K
• Ambient diffraction temperature: 200 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: 0.0656
• Residual factor for significantly intense reflections: 0.0398
• Weighted residual factors for significantly intense reflections: 0.0933
• Weighted residual factors for all reflections included in the refinement: 0.1043
• Goodness-of-fit parameter for all reflections included in the refinement: 1.074
• Diffraction radiation wavelength: 0.71075 Å
• Diffraction radiation type: MoKα
• Duplicate of: 7214488
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No