Information card for entry 1200007

Structure parameters

• Chemical name: Calcium iron aluminium oxide (2/1.3/0.7/5)
• Formula: Al0.72 Ca2 Fe1.28 O5
• Calculated formula: Al0.72 Ca2 Fe1.28 O5
• Title of publication: Crystal structures of Ca~2~ Fe~1.43~ Al~0.57~ O~5~ and Ca~2~ Fe~1.28~ Al~0.72~ O~5~
• Authors of publication: Colville, A A; Geller, S
• Journal of publication: Acta Crystallographica B (24,1968-38,1982)
• Year of publication: 1972
• Journal volume: 28
• Pages of publication: 3196 - 3200
• a: 5.583 ± 0.005 Å
• b: 14.58 ± 0.02 Å
• c: 5.374 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 437.4 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
• Residual factor for all reflections: 0.032
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No