BaO
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      rocksalt structure
      _database_code_amcsd 0011277

      CELL PARAMETERS:    5.5230   5.5230   5.5230   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    168.471
      Density (g/cm3):      6.044
      MAX. ABS. INTENSITY / VOLUME**2:      220.5801895    
      RIR:     11.883
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.98        100.00        3.1887    1   1   1         8
                32.42         85.55        2.7615    2   0   0         6
                46.51         54.76        1.9527    2   2   0        12
                55.15         38.45        1.6652    3   1   1        24
                57.83         16.82        1.5944    2   2   2         8
                67.88          6.98        1.3807    4   0   0         6
                74.95         13.21        1.2671    3   3   1        24
                77.25         17.53        1.2350    4   2   0        24
                86.29         12.26        1.1274    4   2   2        24
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.