Information card for entry 1000470

Structure parameters

• Chemical name: Barium samarium bis(carbonate) fluoride
• Mineral name: Huanghoite (Sm)
• Formula: C Ba F O6 Sm
• Calculated formula: C2 Ba F O6 Sm
• Title of publication: Crystal growth and structures of rare earth fluorocarbonates: I. Structures of Ba Sm (C O3)2 F and Ba3 La2 (C O3)5 F2: revision of the corresponding huanghoite and cebaite type structures
• Authors of publication: Mercier, N; Leblanc, M
• Journal of publication: European Journal of Solid State Inorganic Chemistry
• Year of publication: 1993
• Journal volume: 30
• Pages of publication: 195 - 205
• a: 5.016 ± 0.001 Å
• b: 5.016 ± 0.001 Å
• c: 37.94398 ± 0.006 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 826.8 ų
• Number of distinct elements: 5
• Space group number: 166
• Hermann-Mauguin space group symbol: R -3 m :H
• Hall space group symbol: -R 3 2"
• Residual factor for all reflections: 0.019
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No