Be2B
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Anti-fluorite structure
      _database_code_amcsd 0011731

      CELL PARAMETERS:    4.6700   4.6700   4.6700   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    101.848
      Density (g/cm3):      1.880
      MAX. ABS. INTENSITY / VOLUME**2:      3.293814003    
      RIR:      0.570
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                33.23         64.20        2.6962    1   1   1         8
                38.56          8.25        2.3350    2   0   0         6
                55.67        100.00        1.6511    2   2   0        12
                66.39         14.58        1.4081    3   1   1        24
                69.76          2.64        1.3481    2   2   2         8
                82.65         15.25        1.1675    4   0   0         6
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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.