Ba2 Ca0.24 Cu2.76 Fe0.24 O6 Y0.76 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 1001495 _database_code_amcsd 0015034 CELL PARAMETERS: 3.8616 3.8616 11.8163 90.000 90.000 90.000 SPACE GROUP: P4/mmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 176.204 Density (g/cm3): 5.999 MAX. ABS. INTENSITY / VOLUME**2: 138.5183284 RIR: 7.519 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.48 7.14 11.8163 0 0 1 2 15.00 6.43 5.9082 0 0 2 2 22.57 2.99 3.9388 0 0 3 2 23.03 5.36 3.8616 1 0 0 4 27.60 18.60 3.2324 1 0 2 8 32.47 100.00 2.7574 1 0 3 8 32.80 61.04 2.7306 1 1 0 4 33.69 1.49 2.6605 1 1 1 8 36.24 2.85 2.4786 1 1 2 8 38.08 9.16 2.3633 0 0 5 2 38.36 13.62 2.3463 1 0 4 8 40.19 8.40 2.2441 1 1 3 8 45.22 2.05 2.0052 1 1 4 8 46.09 5.25 1.9694 0 0 6 2 47.07 31.11 1.9308 2 0 0 4 51.12 7.51 1.7869 1 1 5 8 54.35 2.54 1.6880 0 0 7 2 55.43 4.49 1.6576 2 1 2 16 57.72 10.13 1.5973 1 1 6 8 58.34 31.12 1.5816 2 1 3 16 59.79 2.97 1.5467 1 0 7 8 62.07 6.77 1.4952 2 0 5 8 62.27 5.07 1.4909 2 1 4 16 64.95 3.38 1.4358 1 1 7 8 67.95 4.93 1.3796 1 0 8 8 67.99 5.24 1.3787 2 0 6 8 68.76 7.80 1.3653 2 2 0 4 74.69 3.21 1.2708 2 0 7 8 78.11 5.56 1.2235 3 0 3 8 78.29 6.91 1.2211 3 1 0 8 79.38 2.10 1.2072 2 1 7 16 81.40 2.56 1.1822 2 2 5 8 82.75 1.07 1.1664 3 1 3 16 86.04 2.79 1.1299 1 0 10 8 86.75 4.36 1.1225 2 1 8 16 86.80 2.29 1.1220 2 2 6 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.