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: fcc at P = 14.3 GPa
      _database_code_amcsd 0013231

      CELL PARAMETERS:    5.0480   5.0480   5.0480   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    128.635
      Density (g/cm3):      2.019
      MAX. ABS. INTENSITY / VOLUME**2:      38.86934858    
      RIR:      6.270
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.68        100.00        2.9145    1   1   1         8
                35.57         47.15        2.5240    2   0   0         6
                51.18         25.68        1.7847    2   2   0        12
                60.86         25.83        1.5220    3   1   1        24
                63.88          7.09        1.4572    2   2   2         8
                75.31          2.79        1.2620    4   0   0         6
                83.47          7.77        1.1581    3   3   1        24
                86.15          7.03        1.1288    4   2   0        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.