Information card for entry 2241752

Structure parameters

• Chemical name: Trimagnesium beryllium octaaluminium hexadecaoxide
• Formula: Al7.92 Be Cr0.15 Mg2.92 O16
• Calculated formula: Al7.9235 Be Cr0.1525 Mg2.924 O16
• Title of publication: Crystal structure of Cr-bearing Mg~3~BeAl~8~O~16~, a new polytype of magnesiotaaffeite-2<i>N</i>'2<i>S</i>
• Authors of publication: Malcherek, Thomas; Schlüter, Jochen
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2016
• Journal volume: 72
• Journal issue: 7
• Pages of publication: 1060 - 1063
• a: 5.6788 ± 0.0003 Å
• b: 5.6788 ± 0.0003 Å
• c: 18.3368 ± 0.0014 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 512.11 ± 0.05 ų
• Cell temperature: 295 ± 2 K
• Ambient diffraction temperature: 295 ± 2 K
• Number of distinct elements: 5
• Space group number: 164
• Hermann-Mauguin space group symbol: P -3 m 1
• Hall space group symbol: -P 3 2"
• Residual factor for all reflections: 0.0186
• Residual factor for significantly intense reflections: 0.018
• Weighted residual factors for significantly intense reflections: 0.04
• Weighted residual factors for all reflections included in the refinement: 0.0404
• Goodness-of-fit parameter for all reflections included in the refinement: 0.834
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes