Information card for entry 1001379

Structure parameters

• Chemical name: Yttrium barium copper oxide (1/2/2.9/7)
• Formula: Ba2 Cu2.93 O7 Y
• Calculated formula: Ba2 Cu2.933 O6.968 Y
• Title of publication: Crystallographic study of the tetragonal high-T~c~ superconductor Y Ba~2~ (Cu~.95~ Fe~.05~)~3~ O~7~
• Authors of publication: Roth, G; Heger, G; Renker, B; Pannetier, J; Caignaert, V; Hervieu, M; Raveau, B
• Journal of publication: Physica C (Amsterdam) (152,1988-)
• Year of publication: 1988
• Journal volume: 153
• Pages of publication: 972 - 973
• a: 3.862 ± 0.001 Å
• b: 3.862 ± 0.001 Å
• c: 11.673 ± 0.003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 174.1 ų
• Number of distinct elements: 4
• 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: 0.023
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No