Information card for entry 1008351

Structure parameters

• Chemical name: Dibarium yttrium copper oxide (2/1/3/6.8)
• Formula: Ba2 Cu3 O6.8 Y
• Calculated formula: Ba2 Cu3 O6.8 Y
• Title of publication: Neutron study of the crystal structure and vacancy distribution in the superconductor Ba~2~YCu~3~O~9-d~
• Authors of publication: Beech, F; Miraglia, S; Santoro, A; Roth, R S
• Journal of publication: Physical Review, Serie 3. B - Condensed Matter (18,1978-)
• Year of publication: 1987
• Journal volume: 35
• Journal issue: 16
• Pages of publication: 8778 - 8781
• a: 3.825 ± 0.0001 Å
• b: 3.8864 ± 0.0001 Å
• c: 11.6945 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 173.8 ų
• Number of distinct elements: 4
• Space group number: 47
• Hermann-Mauguin space group symbol: P m m m
• Hall space group symbol: -P 2 2
• Residual factor for all reflections: 0.1007
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No