Ba2 Cu3 O6.86 Y Francois M, Junod A, Yvon K, Hewat A, Capponi J, Strobel P, Marezio M, Fischer P Solid State Communications 66 (1988) 1117-1125 A study of the Cu-O chains in the high Tc superconductor Y Ba2 Cu3 O7 by high resolution neutron powder diffraction _cod_database_code 1008420 _database_code_amcsd 0016329 CELL PARAMETERS: 3.8108 3.8789 11.6328 90.000 90.000 90.000 SPACE GROUP: Pmmm X-RAY WAVELENGTH: 1.541838 Cell Volume: 171.953 Density (g/cm3): 6.411 MAX. ABS. INTENSITY / VOLUME**2: 2.512703400 RIR: 0.128 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.60 100.00 11.6328 0 0 1 2 15.23 56.37 5.8164 0 0 2 2 22.93 21.09 3.8789 0 1 0 2 22.94 10.45 3.8776 0 0 3 2 23.34 10.61 3.8108 1 0 0 2 24.19 17.06 3.6797 0 1 1 4 24.58 6.01 3.6214 1 0 1 4 27.64 4.63 3.2271 0 1 2 4 27.99 7.58 3.1876 1 0 2 4 30.74 1.72 2.9082 0 0 4 2 32.65 44.18 2.7423 0 1 3 4 32.95 41.04 2.7184 1 1 0 4 32.96 43.24 2.7180 1 0 3 4 36.48 1.24 2.4627 1 1 2 8 38.70 1.21 2.3268 0 1 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.