Information card for entry 1001367

Structure parameters

• Chemical name: Thallium(III) dibarium calcium dicopper(II,III) oxide
• Formula: Ba2 Ca Cu2 O7 Tl
• Calculated formula: Ba2 Ca0.9 Cu1.9 O7 Tl1.1
• Title of publication: A New Member of the Thallium Superconductive Series. The "1212" Oxide Tl Ba~2~ Ca Cu~2~ O~8-y~: Importance of Oxygen Content
• Authors of publication: Hervieu, M; Maignan, A; Martin, C; Michel, C; Provost, J; Raveau, B
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1988
• Journal volume: 75
• Pages of publication: 212 - 215
• a: 3.833 Å
• b: 3.833 Å
• c: 12.68 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 186.3 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
• Residual factor for all reflections: 0.07
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No