Information card for entry 1526608

Structure parameters

• Chemical name: Ba (Bi2 Ta2 O9)
• Formula: Ba Bi2 O9 Ta2
• Calculated formula: Ba Bi2 O9 Ta2
• Title of publication: Crystal structure and ferroelectric properties of A Bi2 Ta2 O9 (A =Ca, Sr and Ba)
• Authors of publication: Shimakawa, Y.; Izumi, F.; Kubo, Y.; Goto, S.; Nakagawa, Y.; Asano, H.; Kamiyama, T.
• Journal of publication: Physical Review, Serie 3. B - Condensed Matter (18,1978-)
• Year of publication: 2000
• Journal volume: 61
• Pages of publication: 6559 - 6564
• a: 3.9265 Å
• b: 3.9265 Å
• c: 25.58659 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 394.479 ų
• Number of distinct elements: 4
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No