Information card for entry 8103766

Structure parameters

• Chemical name: (Al.948 Cr.052)2 O3
• Formula: Al1.896 Cr0.104 O3
• Calculated formula: Al1.896 Cr0.104 O3
• Title of publication: Redetermination of the chromium position in ruby
• Authors of publication: McCauley, J.W.; Gibbs, G.V.
• Journal of publication: Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
• Year of publication: 1972
• Journal volume: 135
• Pages of publication: 453 - 455
• a: 4.77 Å
• b: 4.77 Å
• c: 13.02 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 256.554 ų
• Number of distinct elements: 3
• Space group number: 167
• Hermann-Mauguin space group symbol: R -3 c :H
• Hall space group symbol: -R 3 2"c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No