Information card for entry 2013515

Structure parameters

• Chemical name: 4-aminopyridinium hydrogen maleate
• Formula: C9 H10 N2 O4
• Calculated formula: C9 H10 N2 O4
• SMILES: OC(=O)/C=C\C(=O)[O-].[nH+]1ccc(N)cc1
• Title of publication: 4-Aminopyridinium hydrogen maleate
• Authors of publication: Lah, Nina; Leban, Ivan
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2003
• Journal volume: 59
• Journal issue: 9
• Pages of publication: o537 - o538
• a: 8.0029 ± 0.001 Å
• b: 5.4952 ± 0.0005 Å
• c: 10.928 ± 0.0015 Å
• α: 90°
• β: 96.84 ± 0.005°
• γ: 90°
• Cell volume: 477.17 ± 0.1 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 200 ± 2 K
• Number of distinct elements: 4
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Residual factor for all reflections: 0.029
• Residual factor for significantly intense reflections: 0.026
• Weighted residual factors for significantly intense reflections: 0.056
• Weighted residual factors for all reflections included in the refinement: 0.058
• Goodness-of-fit parameter for all reflections included in the refinement: 1.067
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes