Halite
      Wang K, Reeber R R
      Physics and Chemistry of Minerals 23 (1996) 354-360
      Thermal expansion of alkali halides at high pressure: NaCl as an example
      Sample: T = 50 K, Molar volume = 26.35 cc/mol
      _database_code_amcsd 0007951

      CELL PARAMETERS:    5.5937   5.5937   5.5937   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    175.024
      Density (g/cm3):      2.218
      MAX. ABS. INTENSITY / VOLUME**2:      30.93477044    
      RIR:      4.542
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.62          8.74        3.2295    1   1   1         8
                32.00        100.00        2.7968    2   0   0         6
                45.89         60.68        1.9777    2   2   0        12
                54.40          2.21        1.6866    3   1   1        24
                57.03         18.08        1.6148    2   2   2         8
                66.91          7.35        1.3984    4   0   0         6
                73.85          1.07        1.2833    3   3   1        24
                76.10         18.23        1.2508    4   2   0        24
                84.94         12.62        1.1418    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.