ErSb
      Wyckoff R W G
      Crystal Structures 1 (1963) 85-237
      Second edition. Interscience Publishers, New York, New York
      rocksalt structure
      _database_code_amcsd 0011307

      CELL PARAMETERS:    6.1060   6.1060   6.1060   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    227.651
      Density (g/cm3):      8.431
      MAX. ABS. INTENSITY / VOLUME**2:      521.5689241    
      RIR:     20.142
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.26          4.47        3.5253    1   1   1         8
                29.25        100.00        3.0530    2   0   0         6
                41.85         71.60        2.1588    2   2   0        12
                49.51          1.98        1.8410    3   1   1        24
                51.87         23.80        1.7627    2   2   2         8
                60.67         10.35        1.5265    4   0   0         6
                68.75         26.51        1.3653    4   2   0        24
                76.42         18.36        1.2464    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.