Sodium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Sample at T = 293 K
      Body centered cubic, bcc, structure
      _database_code_amcsd 0011223

      CELL PARAMETERS:    4.2906   4.2906   4.2906   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     78.987
      Density (g/cm3):      0.966
      MAX. ABS. INTENSITY / VOLUME**2:      15.52659820    
      RIR:      5.231
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.44        100.00        3.0339    1   1   0        12
                42.12         16.77        2.1453    2   0   0         6
                52.22         30.93        1.7516    2   1   1        24
                61.09          8.25        1.5170    2   2   0        12
                69.25          9.71        1.3568    3   1   0        24
                76.99          2.06        1.2386    2   2   2         8
                84.49          8.49        1.1467    3   2   1        48
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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.