Information card for entry 2002407

Structure parameters

• Chemical name: Barium iron(III) niobium oxide (3/2/6/21)
• Formula: Ba3 Fe2 Nb6 O21
• Calculated formula: Ba3 Fe2 Nb6 O21
• Title of publication: Kristallstrukturuntersuchungen an Verbindungen des Typs A3 (M, Nb)8 O21 (A= Tl, Ba; M= Fe, Ni).
• Authors of publication: Brandt, R; Mueller-Buschbaum, Hk
• Journal of publication: Zeitschrift fuer Anorganische und Allgemeine Chemie
• Year of publication: 1988
• Journal volume: 556
• Pages of publication: 146 - 152
• a: 9.118 ± 0.002 Å
• b: 9.118 ± 0.002 Å
• c: 11.87 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 854.6 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: 0.066
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No