Information card for entry 1000031

Structure parameters

• Formula: Ba2 Cu4 O8 Y
• Calculated formula: Ba2 Cu4 O8 Y
• Title of publication: Redetermination of the structure of the 80 K superconductor YBa~2~Cu~4~O~8~ by time-of-flight neutron powder diffraction
• Authors of publication: Lightfoot, P.; Pei, S.; Jorgensen, J. D.; Yamada, Y.; Matsumoto, T.; Izumi, F.; Kodama, Y.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1991
• Journal volume: 47
• Pages of publication: 1143 - 1145
• a: 3.8402 ± 0.0001 Å
• b: 3.8708 ± 0.0001 Å
• c: 27.2309 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 404.8 ų
• Cell temperature: 295 K
• 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
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No