Information card for entry 1001667

Structure parameters

• Chemical name: Thallium strontium calcium copper oxide (1.2/2/0.8/2/7)
• Formula: Ca0.81 Cu2 O7 Sr2 Tl1.19
• Calculated formula: Ca0.81 Cu2 O7 Sr2 Tl1.19
• Title of publication: Single-crystal study of the 55 K superconductor Tl Sr2 Ca Cu2 O7-d
• Authors of publication: Martin, C; Maignan, A; Labbe, Ph; Chardon, J; Hejtmanek, J; Raveau, B
• Journal of publication: Chemistry of Materials (1,1989-
• Year of publication: 1995
• Journal volume: 7
• Pages of publication: 1414 - 1418
• a: 3.7808 ± 0.0005 Å
• b: 3.7808 ± 0.0005 Å
• c: 12.0855 ± 0.0012 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 172.8 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: 0.032
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No