Information card for entry 2101466

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: 7.437 ± 0.001 Å
• b: 8.834 ± 0.002 Å
• c: 4.6927 ± 0.0006 Å
• α: 91.32 ± 0.01°
• β: 93.37 ± 0.01°
• γ: 100.68 ± 0.01°
• Cell volume: 302.26 ± 0.09 ų
• Cell temperature: 190 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: 0.043
• Weighted residual factors for significantly intense reflections: 0.048
• Goodness-of-fit parameter for significantly intense reflections: 1.33
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No