LaSe
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      rocksalt structure
      _database_code_amcsd 0011340

      CELL PARAMETERS:    6.0600   6.0600   6.0600   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    222.545
      Density (g/cm3):      6.502
      MAX. ABS. INTENSITY / VOLUME**2:      295.1029924    
      RIR:     14.779
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.46         11.33        3.4987    1   1   1         8
                29.48        100.00        3.0300    2   0   0         6
                42.18         70.13        2.1425    2   2   0        12
                49.91          4.04        1.8272    3   1   1        24
                52.29         23.22        1.7494    2   2   2         8
                61.18         10.16        1.5150    4   0   0         6
                67.35          1.16        1.3903    3   3   1        24
                69.35         26.32        1.3551    4   2   0        24
                77.10         18.47        1.2370    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.