Information card for entry 1000103

Structure parameters

• Chemical name: Potassium calcium dialuminium fluoride
• Formula: Al2 Ca F9 K
• Calculated formula: Al2 Ca F9 K
• Title of publication: Crystal structure approach of KCaAl~2~F~9~. A new hexagonaltungsten- bronze related structure
• Authors of publication: Hemon, A; Le Bail, A; Courbion, G
• Journal of publication: European Journal of Solid State Inorganic Chemistry
• Year of publication: 1993
• Journal volume: 30
• Pages of publication: 415 - 426
• a: 12.343 ± 0.002 Å
• b: 7.152 ± 0.001 Å
• c: 22.679 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2002 ų
• Number of distinct elements: 4
• Space group number: 20
• Hermann-Mauguin space group symbol: C 2 2 21
• Hall space group symbol: C 2c 2
• Residual factor for all reflections: 0.079
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No