CeH2
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Fluorite structure
      _database_code_amcsd 0011685

      CELL PARAMETERS:    5.5900   5.5900   5.5900   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    174.677
      Density (g/cm3):      5.404
      MAX. ABS. INTENSITY / VOLUME**2:      304.8137418    
      RIR:     18.367
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.64        100.00        3.2274    1   1   1         8
                32.02         47.72        2.7950    2   0   0         6
                45.92         34.27        1.9764    2   2   0        12
                54.44         37.01        1.6854    3   1   1        24
                57.08         10.17        1.6137    2   2   2         8
                66.96          4.48        1.3975    4   0   0         6
                73.90         12.35        1.2824    3   3   1        24
                76.16         10.96        1.2500    4   2   0        24
                85.00          7.92        1.1411    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.