Cerium
      Spedding F H, Daane A H, Herrmann K W
      Acta Crystallographica 9 (1956) 559-563
      The crystal structures and lattice parameters of high-purity scandium,
      yttrium and the rare earth metals
      Locality: synthetic
      Note: sample 99.9% pure
      _database_code_amcsd 0009169

      CELL PARAMETERS:    5.1612   5.1612   5.1612   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    137.484
      Density (g/cm3):      6.768
      MAX. ABS. INTENSITY / VOLUME**2:      394.2138455    
      RIR:     18.965
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.99        100.00        2.9798    1   1   1         8
                34.76         49.28        2.5806    2   0   0         6
                49.98         31.10        1.8248    2   2   0        12
                59.39         33.85        1.5562    3   1   1        24
                62.32          9.48        1.4899    2   2   2         8
                73.38          3.95        1.2903    4   0   0         6
                81.25         11.21        1.1841    3   3   1        24
                83.82         10.17        1.1541    4   2   0        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.