Halite
      Abrahams S, Bernstein J
      Acta Crystallographica 18 (1965) 926-932
      Accuracy of an automatic diffractometer. Measurement of the sodium
      chloride structure factors
      _cod_database_code 1000041
      _database_code_amcsd 0009295

      CELL PARAMETERS:    5.6200   5.6200   5.6200   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    177.504
      Density (g/cm3):      2.187
      MAX. ABS. INTENSITY / VOLUME**2:      30.52162480    
      RIR:      4.545
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.49          8.76        3.2447    1   1   1         8
                31.85        100.00        2.8100    2   0   0         6
                45.66         60.87        1.9870    2   2   0        12
                54.12          2.21        1.6945    3   1   1        24
                56.74         18.17        1.6224    2   2   2         8
                66.56          7.39        1.4050    4   0   0         6
                73.44          1.06        1.2893    3   3   1        24
                75.68         18.32        1.2567    4   2   0        24
                84.45         12.66        1.1472    4   2   2        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.