Information card for entry 1526696

Structure parameters

• Chemical name: K2 Sr (Ta2 O7) (H2 O)2
• Formula: H4 K2 O9 Sr Ta2
• Calculated formula: K1.978 O9 Sr1.001 Ta2.014
• Title of publication: Synthesis and structure of a double-layered perovskite and its hydrate, K2 Sr Ta2 O7 * m(H2 O) (m=0,2)
• Authors of publication: Kodenkandath, T.A.; Wiley, J.B.
• Journal of publication: Materials Research Bulletin
• Year of publication: 2000
• Journal volume: 35
• Pages of publication: 1737 - 1742
• a: 3.9599 Å
• b: 3.9599 Å
• c: 12.7658 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 200.178 ų
• Number of distinct elements: 5
• 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