Information card for entry 2218318

Structure parameters

• Chemical name: Sodium calcium trimagnesium tris(arsenate)
• Formula: As3 Ca Mg3 Na O12
• Calculated formula: As3 Ca Mg3 Na O12
• Title of publication: The alluaudite-like arsenate NaCaMg~3~(AsO~4~)~3~
• Authors of publication: Haj Abdallah, Anissa; Haddad, Amor
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2008
• Journal volume: 64
• Journal issue: 6
• Pages of publication: i36
• a: 11.88 ± 0.001 Å
• b: 12.817 ± 0.001 Å
• c: 6.741 ± 0.002 Å
• α: 90°
• β: 112.45 ± 0.01°
• γ: 90°
• Cell volume: 948.6 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0228
• Residual factor for significantly intense reflections: 0.0223
• Weighted residual factors for significantly intense reflections: 0.0603
• Weighted residual factors for all reflections included in the refinement: 0.0604
• Goodness-of-fit parameter for all reflections included in the refinement: 1.289
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes