Ba2YCu3O6.9 Williams A, Kwei G, Dreele R, Larson A, Raistrick I, Bish D Physical Review B37 (1988) 7960-7962 Joint X-ray and neutron refinement of the structure of superconducting YBa2Cu3O7-x: precision structure, anisotropic thermal parameters, strain and cation disorder _cod_database_code 1000030 _database_code_amcsd 0015238 CELL PARAMETERS: 3.8203 3.8855 11.6835 90.000 90.000 90.000 SPACE GROUP: Pmmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 173.426 Density (g/cm3): 6.364 MAX. ABS. INTENSITY / VOLUME**2: 90.85186623 RIR: 4.648 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.57 1.79 11.6835 0 0 1 2 15.17 2.78 5.8417 0 0 2 2 22.83 5.99 3.8945 0 0 3 2 22.89 7.34 3.8855 0 1 0 2 23.28 3.77 3.8203 1 0 0 2 27.57 4.95 3.2352 0 1 2 4 27.90 8.62 3.1973 1 0 2 4 32.55 90.07 2.7506 0 1 3 4 32.84 100.00 2.7272 1 0 3 4 32.88 96.85 2.7241 1 1 0 4 33.79 1.73 2.6530 1 1 1 8 36.39 3.70 2.4689 1 1 2 8 38.53 10.67 2.3367 0 0 5 2 38.56 5.72 2.3347 0 1 4 4 38.81 3.74 2.3204 1 0 4 4 40.41 21.66 2.2322 1 1 3 8 46.64 16.17 1.9472 0 0 6 2 46.76 28.42 1.9427 0 2 0 2 47.61 26.75 1.9102 2 0 0 2 51.53 5.86 1.7736 1 1 5 8 52.57 1.36 1.7409 0 1 6 4 52.65 1.27 1.7384 0 2 3 4 53.43 1.22 1.7150 2 0 3 4 53.45 1.45 1.7142 2 1 0 4 55.02 1.88 1.6691 0 0 7 2 55.33 2.09 1.6603 1 2 2 8 55.90 1.28 1.6448 2 1 2 8 58.24 28.56 1.5841 1 1 6 8 58.31 33.35 1.5823 1 2 3 8 58.86 29.13 1.5689 2 1 3 8 62.14 4.02 1.4939 0 2 5 4 62.33 1.60 1.4896 1 2 4 8 62.84 3.86 1.4789 2 0 5 4 62.86 2.15 1.4784 2 1 4 8 65.60 2.73 1.4232 1 1 7 8 68.19 8.66 1.3753 0 2 6 4 68.66 2.95 1.3671 0 1 8 4 68.82 3.43 1.3642 1 0 8 4 68.85 8.37 1.3636 2 0 6 4 68.94 14.36 1.3621 2 2 0 4 73.62 1.01 1.2867 2 1 6 8 75.03 1.32 1.2660 0 2 7 4 75.67 1.28 1.2569 2 0 7 4 77.53 2.40 1.2313 0 1 9 4 77.69 2.73 1.2291 1 0 9 4 77.70 5.76 1.2290 0 3 3 4 77.88 6.27 1.2266 1 3 0 4 79.13 5.96 1.2104 3 0 3 4 79.15 5.97 1.2101 3 1 0 4 81.86 3.00 1.1767 2 2 5 8 82.44 1.94 1.1699 1 3 3 8 83.69 1.86 1.1556 3 1 3 8 87.11 1.77 1.1189 0 1 10 4 87.26 1.58 1.1173 1 0 10 4 87.34 3.17 1.1164 1 2 8 8 87.37 7.85 1.1161 2 2 6 8 87.81 2.70 1.1117 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.