Information card for entry 1001301

Structure parameters

• Chemical name: BARIUM TANTALUM IRON OXIDE (3/6/2/21)
• Formula: Ba3 Fe2 O21 Ta6
• Calculated formula: Ba3 Fe1.9998 O21 Ta6.0002
• Title of publication: Nouveaux tantalates A~3~ (Ta~8-x~ M~x~) O~21~ a structure en cages
• Authors of publication: Groult, D; Chailleux, J M; Raveau, B; Deschanvres, A
• Journal of publication: Revue de Chimie Minerale
• Year of publication: 1977
• Journal volume: 14
• Pages of publication: 1 - 10
• a: 9.116 Å
• b: 9.116 Å
• c: 11.93 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 858.6 ų
• Number of distinct elements: 4
• Space group number: 193
• Hermann-Mauguin space group symbol: P 63/m c m
• Hall space group symbol: -P 6c 2
• Residual factor for all reflections: 0.064
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No