Information card for entry 1001860

Structure parameters

• Chemical name: Tripotassium tecto-octaniobate
• Formula: K3 Nb8 O21
• Calculated formula: K3 Nb8 O21
• Title of publication: Single-crystal structure of K3 Nb8 O21
• Authors of publication: Benabbas, A; Borel, M M; Grandin, A; Leclaire, A; Raveau, B
• Journal of publication: Acta Crystallographica C (39,1983-)
• Year of publication: 1993
• Journal volume: 49
• Pages of publication: 439 - 441
• a: 9.1584 ± 0.0005 Å
• b: 9.1584 ± 0.0005 Å
• c: 12.0404 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 874.6 ų
• Number of distinct elements: 3
• 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: 0.044
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No