Ba2 Ca0.12 Cu2.88 Fe0.12 O6.98 Y0.88 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 1001491 _database_code_amcsd 0015030 CELL PARAMETERS: 3.8604 3.8604 11.6725 90.000 90.000 90.000 SPACE GROUP: P4/mmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 173.952 Density (g/cm3): 6.291 MAX. ABS. INTENSITY / VOLUME**2: 159.1780269 RIR: 8.239 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.18 2.11 5.8362 0 0 2 2 22.86 2.74 3.8908 0 0 3 2 23.04 5.24 3.8604 1 0 0 4 27.71 9.66 3.2198 1 0 2 8 32.68 100.00 2.7404 1 0 3 8 32.81 52.37 2.7297 1 1 0 4 36.33 2.53 2.4726 1 1 2 8 38.57 6.84 2.3345 0 0 5 2 38.68 6.19 2.3279 1 0 4 8 40.36 10.71 2.2346 1 1 3 8 46.69 7.80 1.9454 0 0 6 2 47.08 29.70 1.9302 2 0 0 4 51.51 4.09 1.7742 1 1 5 8 55.07 1.16 1.6675 0 0 7 2 55.51 2.37 1.6555 2 1 2 16 58.24 13.17 1.5843 1 1 6 8 58.49 31.41 1.5781 2 1 3 16 62.43 5.01 1.4876 2 0 5 8 62.51 2.32 1.4859 2 1 4 16 65.61 1.68 1.4230 1 1 7 8 68.48 7.87 1.3702 2 0 6 8 68.78 7.41 1.3649 2 2 0 4 68.78 3.95 1.3648 1 0 8 8 75.32 1.51 1.2618 2 0 7 8 77.67 1.79 1.2294 1 0 9 8 78.25 5.63 1.2217 3 0 3 8 78.32 6.05 1.2208 3 1 0 8 81.73 1.88 1.1783 2 2 5 8 82.88 1.38 1.1648 3 1 3 16 87.26 3.46 1.1173 2 2 6 8 87.26 1.76 1.1173 1 0 10 8 87.54 3.57 1.1144 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.