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 = 14.5 GPa
      Note: BeII phase, slightly distorded HCP
      _database_code_amcsd 0013186

      CELL PARAMETERS:    4.4278   4.4278   3.4740   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     58.984
      Density (g/cm3):      0.507
      MAX. ABS. INTENSITY / VOLUME**2:     0.8565706222    
      RIR:      0.550
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.20         66.16        3.8346    1   0   0         6
                34.85        100.00        2.5746    1   0   1        12
                40.76         39.16        2.2139    1   1   0         6
                47.42          5.95        1.9173    2   0   0         6
                52.70          5.66        1.7370    0   0   2         2
                54.68         22.69        1.6786    2   0   1        12
                58.32          6.19        1.5822    1   0   2        12
                64.27          4.60        1.4493    2   1   0        12
                68.68         15.07        1.3666    1   1   2        12
                70.39         21.04        1.3376    2   1   1        24
                73.58          3.09        1.2873    2   0   2        12
                74.19          6.03        1.2782    3   0   0         6
                87.70          3.97        1.1128    2   1   2        24
                88.12          5.89        1.1086    1   0   3        12
                88.28          1.30        1.1070    2   2   0         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.