Information card for entry 1001548

Structure parameters

• Chemical name: Yttrium calcium aluminium chromium oxide (1/1/.9/.1/4)
• Formula: Al0.93 Ca Cr0.07 O4 Y
• Calculated formula: Al0.93 Ca Cr0.07 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: 3.681 ± 0.0005 Å
• b: 3.681 ± 0.0005 Å
• c: 12.015 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 162.8 ų
• Number of distinct elements: 5
• 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: 0.06
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No