Dysprosium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Sample at T = 49 K
      Hexagonal closest packed, hcp, structure
      _database_code_amcsd 0011171

      CELL PARAMETERS:    3.5840   3.5840   5.6680   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     63.052
      Density (g/cm3):      8.558
      MAX. ABS. INTENSITY / VOLUME**2:      572.2623805    
      RIR:     21.773
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.76         24.01        3.1038    1   0   0         6
                31.57         24.91        2.8340    0   0   2         2
                32.90        100.00        2.7224    1   0   1        12
                43.23         14.81        2.0928    1   0   2        12
                50.96         17.22        1.7920    1   1   0         6
                57.07         17.39        1.6139    1   0   3        12
                59.57          2.48        1.5519    2   0   0         6
                61.19         18.03        1.5146    1   1   2        12
                62.00         12.89        1.4968    2   0   1        12
                65.92          2.29        1.4170    0   0   4         2
                68.99          2.91        1.3612    2   0   2        12
                73.46          2.32        1.2890    1   0   4        12
                80.01          5.19        1.1992    2   0   3        12
                84.30          2.93        1.1488    2   1   1        24
                87.83          5.19        1.1115    1   1   4        12
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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.