Information card for entry 1008369

Structure parameters

• Chemical name: Diyttrium tetrabarium heptacuprate
• Formula: Ba4 Cu7 O14.3 Y2
• Calculated formula: Ba4 Cu7 O14.3 Y2
• Title of publication: Structure Determination of the new high-temperature Superconductor Y Ba Cu O (2/4/7/14.30)
• Authors of publication: Bordet, P; Chaillout, C; Chenavas, J; Hodeau, J L; Marezio, M; Karpinski, J; Kaldis, E
• Journal of publication: Nature (London)
• Year of publication: 1988
• Journal volume: 334
• Pages of publication: 596 - 598
• a: 3.851 ± 0.001 Å
• b: 3.869 ± 0.001 Å
• c: 50.29 ± 0.02 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 749.3 ų
• Number of distinct elements: 4
• Space group number: 65
• Hermann-Mauguin space group symbol: A m m m
• Hall space group symbol: -A 2 2
• Residual factor for all reflections: 0.054
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No