Selenium
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      _database_code_amcsd 0011257

      CELL PARAMETERS:    4.3552   4.3552   4.9495   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     81.301
      Density (g/cm3):      4.837
      MAX. ABS. INTENSITY / VOLUME**2:      136.3862902    
      RIR:      9.180
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.59         52.53        3.7717    1   0   0         6
                29.78         88.42        2.9999    0   1   1         6
                29.78         11.58        2.9999    1   0   1         6
                41.47         14.74        2.1776    1   1   0         3
                43.75          3.81        2.0691    0   1   2         6
                43.75         29.08        2.0691    1   0   2         6
                45.51         26.33        1.9932    1   1   1         6
                48.26          2.39        1.8858    2   0   0         6
                51.88         18.80        1.7623    0   2   1         6
                51.88          4.08        1.7623    2   0   1         6
                55.72          6.57        1.6498    0   0   3         2
                56.27         13.42        1.6348    1   1   2         6
                61.33          3.19        1.5115    0   1   3         6
                61.33          3.19        1.5115    1   0   3         6
                61.86         10.63        1.5000    2   0   2         6
                61.86          2.31        1.5000    0   2   2         6
                65.47         16.77        1.4256    2   1   0         6
                68.49          1.77        1.3699    1   2   1         6
                68.49          3.85        1.3699    2   1   1         6
                71.78          5.14        1.3150    1   1   3         6
                77.23          2.65        1.2353    1   2   2         6
                77.23          1.22        1.2353    2   1   2         6
                78.49          6.55        1.2185    3   0   1         6
                81.95          4.02        1.1757    0   1   4         6
                86.91          4.98        1.1209    0   3   2         6
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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.