Information card for entry 2102957

Structure parameters

• Mineral name: mayenite
• Formula: Al14 Ca12 O33
• Calculated formula: Al14 Ca12 O32.696
• Title of publication: Structure and oxygen mobility in mayenite (Ca~12~Al~14~O~33~): a high-temperature neutron powder diffraction study
• Authors of publication: Boysen, H.; Lerch, M.; Stys, A.; Senyshyn, A.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2007
• Journal volume: 63
• Journal issue: 5
• Pages of publication: 675 - 682
• a: 12.0449 Å
• b: 12.0449 Å
• c: 12.0449 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1747.47 ų
• Cell temperature: 1223 K
• Ambient diffraction temperature: 1173 K
• Number of distinct elements: 3
• Space group number: 220
• Hermann-Mauguin space group symbol: I -4 3 d
• Hall space group symbol: I -4bd 2c 3
• Residual factor for all reflections: 0.0297
• Residual factor for significantly intense reflections: 0.0273
• Weighted residual factors for significantly intense reflections: 0.0172
• Weighted residual factors for all reflections included in the refinement: 0.0173
• Goodness-of-fit parameter for all reflections included in the refinement: 1.59
• Diffraction radiation probe: neutron
• Diffraction radiation wavelength: 1.548 Å
• Diffraction radiation type: neutron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No