Information card for entry 9011113

Structure parameters

• Mineral name: Brownmillerite
• Formula: Al Ca2 Fe O5
• Calculated formula: Al Ca2 Fe O5
• Title of publication: The crystal structure of brownmillerite, Ca2FeAlO5 Note: no bond lengths could be reproduced
• Authors of publication: Colville, A. A.; Geller, S.
• Journal of publication: Acta Crystallographica, Section B
• Year of publication: 1971
• Journal volume: 27
• Journal issue: 12
• Pages of publication: 2311 - 2315
• a: 5.584 Å
• b: 14.6 Å
• c: 5.374 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 438.123 ų
• Number of distinct elements: 4
• Space group number: 46
• Hermann-Mauguin space group symbol: I b m 2
• Hall space group symbol: I 2 -2b
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No