Information card for entry 1001546

Structure parameters

• Chemical name: Yttrium calcium aluminium oxide
• Formula: Al Ca O4 Y
• Calculated formula: Al Ca O4 Y
• Title of publication: Crystal chemistry of the diluted solid solution YCaCr~x~Al~1- x~O~4~(x<=0.07) at 1273K: reversed trends in the anisotropy of the K~2~NiF~4~ type structure
• Authors of publication: Choisnet, J; Archaimbault, F; Crespin, M; Chezina, N; Zvereva, I
• Journal of publication: European Journal of Solid State Inorganic Chemistry
• Year of publication: 1993
• Journal volume: 30
• Pages of publication: 619 - 628
• a: 3.675 ± 0.0005 Å
• b: 3.675 ± 0.0005 Å
• c: 12.011 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 162.2 ų
• Number of distinct elements: 4
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Residual factor for all reflections: 0.027
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No