Information card for entry 2101465

Structure parameters

• Formula: C4 H9 N O4
• Calculated formula: C4 H10 N O4
• Title of publication: Structure of ammonium hydrogen succinate above and below the phase transition around 170K
• Authors of publication: Hirano, A.; Kubozono, Y.; Maeda, H.; Ishida, H.; Kashino, S.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 1996
• Journal volume: 52
• Journal issue: 2
• Pages of publication: 323 - 327
• a: 7.483 ± 0.004 Å
• b: 8.881 ± 0.004 Å
• c: 4.731 ± 0.004 Å
• α: 91.29 ± 0.06°
• β: 93.23 ± 0.06°
• γ: 100.24 ± 0.04°
• Cell volume: 308.7 ± 0.3 ų
• Cell temperature: 297 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 significantly intense reflections: 0.034
• Weighted residual factors for significantly intense reflections: 0.029
• Goodness-of-fit parameter for significantly intense reflections: 1.49
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No