Information card for entry 3500038

Structure parameters

• Chemical name: Calcium tartrate anhydrous form II
• Formula: C4 H4 Ca O6
• Calculated formula: C4 H4 Ca O6
• Authors of publication: Armel Le Bail
• Journal of publication: Personal communication to COD
• Year of publication: 2016
• a: 7.618 ± 0.008 Å
• b: 9.945 ± 0.016 Å
• c: 7.219 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 546.9 ± 1.1 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 20
• Hermann-Mauguin space group symbol: C 2 2 21
• Hall space group symbol: C 2c 2
• Residual factor for all reflections: 0.0927
• Residual factor for significantly intense reflections: 0.0532
• Weighted residual factors for significantly intense reflections: 0.1162
• Weighted residual factors for all reflections included in the refinement: 0.1342
• Goodness-of-fit parameter for all reflections included in the refinement: 1.149
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes