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 = 22 GPa
      Note: BeII phase, slightly distorded HCP
      _database_code_amcsd 0013188

      CELL PARAMETERS:    4.3799   4.3799   3.3912   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     56.339
      Density (g/cm3):      0.531
      MAX. ABS. INTENSITY / VOLUME**2:     0.8803015013    
      RIR:      0.540
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.45         68.08        3.7931    1   0   0         6
                35.51        100.00        2.5281    1   0   1        12
                41.22         40.21        2.1899    1   1   0         6
                47.97          6.11        1.8966    2   0   0         6
                54.09          5.56        1.6956    0   0   2         2
                55.52         23.07        1.6553    2   0   1        12
                59.74          6.13        1.5480    1   0   2        12
                65.06          4.72        1.4337    2   1   0        12
                70.20         15.08        1.3407    1   1   2        12
                71.44         21.50        1.3205    2   1   1        24
                75.14          6.21        1.2644    3   0   0         6
                75.16          3.10        1.2641    2   0   2        12
                89.51          1.35        1.0950    2   2   0         6
                89.53          4.06        1.0948    2   1   2        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.