Ba2 Cu3 O6.8 Y Beech F, Miraglia S, Santoro A, Roth R Physical Review B35 (1987) 8778-8781 Neutron study of the crystal structure and vacancy distribution in the superconductor Ba2YCu3O9-d _cod_database_code 1008352 _database_code_amcsd 0016263 CELL PARAMETERS: 3.8174 3.8804 11.6520 90.000 90.000 90.000 SPACE GROUP: Pmmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 172.602 Density (g/cm3): 6.378 MAX. ABS. INTENSITY / VOLUME**2: 87.27817558 RIR: 4.456 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.59 3.05 11.6520 0 0 1 2 15.21 3.39 5.8260 0 0 2 2 22.90 5.96 3.8840 0 0 3 2 22.92 6.98 3.8804 0 1 0 2 23.30 3.80 3.8174 1 0 0 2 27.62 5.90 3.2296 0 1 2 4 27.94 9.53 3.1930 1 0 2 4 32.62 91.59 2.7451 0 1 3 4 32.90 99.77 2.7226 1 0 3 4 32.91 100.00 2.7213 1 1 0 4 33.83 1.79 2.6500 1 1 1 8 36.44 3.76 2.4656 1 1 2 8 38.64 11.54 2.3304 0 0 5 2 38.65 6.45 2.3296 0 1 4 4 38.89 4.48 2.3158 1 0 4 4 40.47 19.85 2.2287 1 1 3 8 46.78 15.20 1.9420 0 0 6 2 46.82 28.40 1.9402 0 2 0 2 47.64 26.75 1.9087 2 0 0 2 51.64 6.76 1.7701 1 1 5 8 53.50 1.08 1.7127 2 1 0 4 55.18 2.07 1.6646 0 0 7 2 55.41 2.30 1.6581 1 2 2 8 55.96 1.49 1.6432 2 1 2 8 58.38 26.64 1.5808 1 1 6 8 58.41 31.79 1.5800 1 2 3 8 58.94 28.20 1.5671 2 1 3 8 62.27 4.28 1.4911 0 2 5 4 62.45 1.77 1.4872 1 2 4 8 62.94 4.11 1.4766 2 0 5 4 62.95 2.30 1.4764 2 1 4 8 65.76 2.91 1.4200 1 1 7 8 68.34 7.81 1.3726 0 2 6 4 68.85 3.14 1.3636 0 1 8 4 68.99 7.54 1.3613 2 0 6 4 69.01 3.55 1.3608 1 0 8 4 69.02 13.75 1.3607 2 2 0 4 75.21 1.36 1.2633 0 2 7 4 75.83 1.32 1.2545 2 0 7 4 77.77 1.88 1.2281 0 1 9 4 77.83 5.32 1.2272 0 3 3 4 77.92 2.12 1.2261 1 0 9 4 78.00 5.90 1.2251 1 3 0 4 79.22 5.42 1.2092 3 0 3 4 79.22 5.60 1.2091 3 1 0 4 82.00 3.14 1.1750 2 2 5 8 82.58 1.33 1.1683 1 3 3 8 83.79 1.26 1.1545 3 1 3 8 87.39 1.69 1.1160 0 1 10 4 87.54 1.50 1.1144 1 0 10 4 87.55 6.77 1.1144 2 2 6 8 87.57 3.22 1.1141 1 2 8 8 88.02 2.82 1.1095 2 1 8 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.