Information card for entry 2310410

Structure parameters

• Chemical name: (La Ta3 O9)0.6667
• Formula: La0.667 O4.25 Ta2
• Calculated formula: La0.667 O6 Ta2
• Title of publication: Double oxides containing niobium, tantalum, or protactinium. III. Systems involving the rare earths
• Authors of publication: Iyer, P.N.; Smith, A.J.
• Journal of publication: Acta Crystallographica (1,1948-23,1967)
• Year of publication: 1967
• Journal volume: 23
• Pages of publication: 740 - 746
• a: 3.918 Å
• b: 3.918 Å
• c: 7.913 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 121.47 ų
• Number of distinct elements: 3
• Space group number: 123
• Hermann-Mauguin space group symbol: P 4/m m m
• Hall space group symbol: -P 4 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No