Ba2 Ca0.15 Cu2.85 Fe0.15 O7.12 Y0.85 Suard E, Caignaert V, Maignan A, Raveau B Physica C 182 (1991) 219-227 The important role of pyramidal copper layers of the 123-structure in superconductivity. The oxides Ba2Y1-xCaxCu3-xFexO7 and Ba2Y1-xCaxCu3-xFexO6 _cod_database_code 1001492 _database_code_amcsd 0015031 CELL PARAMETERS: 3.8608 3.8608 11.6653 90.000 90.000 90.000 SPACE GROUP: P4/mmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 173.880 Density (g/cm3): 6.299 MAX. ABS. INTENSITY / VOLUME**2: 156.5686691 RIR: 8.094 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.19 2.11 5.8327 0 0 2 2 22.87 2.48 3.8884 0 0 3 2 23.04 5.22 3.8608 1 0 0 4 27.71 10.76 3.2194 1 0 2 8 32.69 100.00 2.7397 1 0 3 8 32.81 52.44 2.7300 1 1 0 4 36.33 2.79 2.4726 1 1 2 8 38.59 7.22 2.3331 0 0 5 2 38.69 6.95 2.3271 1 0 4 8 40.37 10.93 2.2343 1 1 3 8 46.72 7.62 1.9442 0 0 6 2 47.08 30.26 1.9304 2 0 0 4 51.53 4.32 1.7736 1 1 5 8 55.11 1.25 1.6665 0 0 7 2 55.50 2.63 1.6556 2 1 2 16 58.26 12.46 1.5837 1 1 6 8 58.49 31.42 1.5780 2 1 3 16 62.44 5.31 1.4873 2 0 5 8 62.51 2.61 1.4857 2 1 4 16 65.64 1.86 1.4224 1 1 7 8 68.50 7.68 1.3699 2 0 6 8 68.77 7.54 1.3650 2 2 0 4 68.82 4.22 1.3641 1 0 8 8 75.34 1.62 1.2614 2 0 7 8 77.72 1.58 1.2287 1 0 9 8 78.25 5.63 1.2218 3 0 3 8 78.31 6.08 1.2209 3 1 0 8 81.74 2.00 1.1782 2 2 5 8 82.88 1.40 1.1648 3 1 3 16 87.27 3.38 1.1172 2 2 6 8 87.32 1.89 1.1167 1 0 10 8 87.58 3.81 1.1140 2 1 8 16 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.