Information card for entry 9009673

Structure parameters

• Mineral name: Corundum
• Formula: Al2 O3
• Calculated formula: Al2 O3
• SMILES: [Al+3].[Al+3].[O-2].[O-2].[O-2]
• Title of publication: High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer P = 42 kbar
• Authors of publication: d'Amour H; Schiferl, D.; Denner, W.; Schulz, H.; Holzapfel, W. B.
• Journal of publication: Journal of Applied Physics
• Year of publication: 1978
• Journal volume: 49
• Pages of publication: 4411 - 4416
• a: 4.7418 Å
• b: 4.7418 Å
• c: 12.921 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 251.601 ų
• Ambient diffracton pressure: 4200000 kPa
• Number of distinct elements: 2
• 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