Lanthanum
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Cubic closest packed, ccp, structure
      _database_code_amcsd 0011149

      CELL PARAMETERS:    5.2960   5.2960   5.2960   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    148.540
      Density (g/cm3):      6.210
      MAX. ABS. INTENSITY / VOLUME**2:      347.6536866    
      RIR:     18.227
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.21        100.00        3.0576    1   1   1         8
                33.85         49.48        2.6480    2   0   0         6
                48.63         31.70        1.8724    2   2   0        12
                57.74         34.81        1.5968    3   1   1        24
                60.56          9.77        1.5288    2   2   2         8
                71.22          4.09        1.3240    4   0   0         6
                78.77         11.56        1.2150    3   3   1        24
                81.23         10.45        1.1842    4   2   0        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.