Information card for entry 1008649

Structure parameters

• Chemical name: Yttrium barium copper oxide (1/2/3/6.9)
• Formula: Ba2 Cu3 O6.877 Y
• Calculated formula: Ba2 Cu3 O6.877 Y
• Title of publication: Electron-density Fourier maps of an untwinned YBa~2~Cu~3~O~6.877~ single crystal by x-ray-diffraction data
• Authors of publication: Sullivan, J D; Bordet, P; Marezio, M; Takenaka, K; Uchida, S
• Journal of publication: Physical Review, Serie 3. B - Condensed Matter (18,1978-)
• Year of publication: 1993
• Journal volume: 48
• Journal issue: 14
• Pages of publication: 10638 - 10641
• a: 3.8184 ± 0.0003 Å
• b: 3.8857 ± 0.0002 Å
• c: 11.701 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 173.6 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: 0.035
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No