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 = 101.3 GPa
      Note: structure known as beta-Po type, phase Se V
      _database_code_amcsd 0012744

      CELL PARAMETERS:    3.8704   3.8704   2.9123   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     37.781
      Density (g/cm3):     10.410
      MAX. ABS. INTENSITY / VOLUME**2:      323.4728514    
      RIR:     10.118
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                41.06        100.00        2.1984    1   0   1         6
                46.95         66.33        1.9352    1   1   0         6
                64.11         24.34        1.4526    0   2   1         6
                70.51         17.89        1.3356    0   1   2         6
                83.15         21.90        1.1617    2   1   1        12
                87.26          9.69        1.1173    3   0   0         6
                89.07          9.24        1.0992    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.