Potassium
      Liu L
      Journal of Physics and Chemistry of Solids 47 (1986) 1067-1072
      Compression and polymorphism of potassium to 400 Kbar
      Locality: synthetic
      Sample: bcc at P = 10 GPa
      _database_code_amcsd 0013225

      CELL PARAMETERS:    4.1820   4.1820   4.1820   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     73.140
      Density (g/cm3):      1.775
      MAX. ABS. INTENSITY / VOLUME**2:      47.15193388    
      RIR:      8.649
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.22        100.00        2.9571    1   1   0        12
                43.27         15.35        2.0910    2   0   0         6
                53.69         27.17        1.7073    2   1   1        24
                62.85          7.23        1.4786    2   2   0        12
                71.32          8.75        1.3225    3   1   0        24
                79.37          1.96        1.2072    2   2   2         8
                87.22          8.63        1.1177    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.