Selenium
      Akahama Y, Kobayashi M, Kawamura H
      Japanese Journal of Applied Physics 31 (1992) 1621-1624
      Structural study on pressure-induced phase transition from beta-Po type to bcc in selenium at 140 GP
      Locality: synthetic
      Sample: at P = 86.2 GPa
      Note: structure known as beta-Po type, phase Se V
      _database_code_amcsd 0012742

      CELL PARAMETERS:    3.9080   3.9080   2.9850   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     39.481
      Density (g/cm3):      9.962
      MAX. ABS. INTENSITY / VOLUME**2:      313.5271331    
      RIR:     10.248
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                40.29        100.00        2.2387    1   0   1         6
                46.47         64.70        1.9540    1   1   0         6
                63.16         24.14        1.4721    0   2   1         6
                68.74         18.34        1.3656    0   1   2         6
                81.94         21.53        1.1758    2   1   1        12
                86.21          9.43        1.1281    3   0   0         6
                87.06          9.21        1.1193    2   0   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.