Beryllium
      Ming L C, Manghnani M H
      Journal of Physics F: Metal Physics 14 (1984) 1-8
      Isothermal compression and phase transition in beryllium to 28.3 GPa
      Locality: synthetic
      Sample: at P = 28.3 GPa
      Note: BeII phase, slightly distorded HCP
      _database_code_amcsd 0013190

      CELL PARAMETERS:    4.3890   4.3890   3.3768   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     56.334
      Density (g/cm3):      0.531
      MAX. ABS. INTENSITY / VOLUME**2:     0.8759685913    
      RIR:      0.537
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.40         68.90        3.8010    1   0   0         6
                35.56        100.00        2.5245    1   0   1        12
                41.13         40.71        2.1945    1   1   0         6
                47.86          6.19        1.9005    2   0   0         6
                54.34          5.51        1.6884    0   0   2         2
                55.48         23.24        1.6562    2   0   1        12
                59.95          6.09        1.5430    1   0   2        12
                64.91          4.78        1.4366    2   1   0        12
                70.35         15.06        1.3382    1   1   2        12
                71.35         21.69        1.3220    2   1   1        24
                74.96          6.28        1.2670    3   0   0         6
                75.29          3.10        1.2622    2   0   2        12
                89.27          1.37        1.0972    2   2   0         6
                89.59          4.07        1.0942    2   1   2        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.