Krypton
      Sonnenblick Y, Alexander E, Kalman Z H, Steinberger I T
      Chemical Physics Letters 52 (1977) 276-278
      Hexagonal close packed krypton and xenon
      Locality: synthetic
      Sample: at T = 26 K
      _database_code_amcsd 0012190

      CELL PARAMETERS:    4.0000   4.0000   6.5300   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     90.482
      Density (g/cm3):      3.075
      MAX. ABS. INTENSITY / VOLUME**2:      110.4002453    
      RIR:     11.689
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.72         23.46        3.4641    1   0   0         6
                27.31         26.63        3.2650    0   0   2         2
                29.18        100.00        3.0602    1   0   1        12
                37.87         15.64        2.3760    1   0   2        12
                45.34         17.75        2.0000    1   1   0         6
                49.45         20.03        1.8430    1   0   3        12
                52.86          2.67        1.7321    2   0   0         6
                53.75         20.20        1.7055    1   1   2        12
                54.84         14.16        1.6742    2   0   1        12
                56.36          2.87        1.6325    0   0   4         2
                60.51          3.37        1.5301    2   0   2        12
                62.94          2.94        1.4767    1   0   4        12
                69.33          6.35        1.3553    2   0   3        12
                72.14          1.86        1.3093    2   1   0        12
                73.81         10.33        1.2838    2   1   1        24
                75.12          6.51        1.2647    1   1   4        12
                78.23          4.30        1.2220    1   0   5        12
                78.75          2.81        1.2152    2   1   2        24
                80.92          1.29        1.1880    2   0   4        12
                83.77          2.34        1.1547    3   0   0         6
                86.80          6.38        1.1220    2   1   3        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.