Information card for entry 2300101

Structure parameters

• Common name: strontium europium aluminate
• Chemical name: strontium europium aluminate
• Formula: Al2 Eu0.136 O4 Sr0.864
• Calculated formula: Al2 Eu0.136 O3.999 Sr0.864
• Title of publication: Observation of orientational disorder in the hexagonal stuffed tridymite Sr~0.864~Eu~0.136~Al~2~O~4~ by the maximum-entropy method
• Authors of publication: Chao-Nan, Xu; Wen-Sheng Shi
• Journal of publication: Journal of Applied Crystallography
• Year of publication: 2004
• Journal volume: 37
• Journal issue: 5
• Pages of publication: 698 - 702
• a: 5.11635 ± 0.0001 Å
• b: 5.11635 ± 0.0001 Å
• c: 8.3673 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 189.687 ± 0.007 ų
• Cell temperature: 297 K
• Ambient diffraction temperature: 297 K
• Number of distinct elements: 4
• Space group number: 182
• Hermann-Mauguin space group symbol: P 63 2 2
• Hall space group symbol: P 6c 2c
• Goodness-of-fit parameter for all reflections: 1.8
• Diffraction radiation wavelength: 0.77571 Å
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No