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 1008421
      _database_code_amcsd 0016330

      CELL PARAMETERS:    3.8114   3.8792  11.6373   90.000   90.000   90.000
      SPACE GROUP: Pmmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    172.060
      Density (g/cm3):      6.407
      MAX. ABS. INTENSITY / VOLUME**2:      3.028577988    
      RIR:      0.154
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.60        100.00       11.6373    0   0   1         2
                15.23         39.53        5.8186    0   0   2         2
                22.93         10.15        3.8792    0   1   0         2
                22.93          5.28        3.8791    0   0   3         2
                23.34          4.79        3.8114    1   0   0         2
                24.18          9.76        3.6801    0   1   1         4
                24.58          4.71        3.6221    1   0   1         4
                27.64          1.40        3.2277    0   1   2         4
                27.99          2.20        3.1883    1   0   2         4
                30.73          1.46        2.9093    0   0   4         2
                32.65         26.05        2.7430    0   1   3         4
                32.95         24.19        2.7187    1   1   0         4
                32.95         24.71        2.7187    1   0   3         4
                33.86          1.07        2.6474    1   1   1         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.