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 = 5 GPa
      Note: BeI phase
      _database_code_amcsd 0013183

      CELL PARAMETERS:    2.2526   2.2526   3.5064   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     15.408
      Density (g/cm3):      1.942
      MAX. ABS. INTENSITY / VOLUME**2:      3.000941800    
      RIR:      0.503
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                46.55         26.40        1.9508    1   0   0         6
                52.17         24.44        1.7532    0   0   2         2
                53.77        100.00        1.7047    1   0   1        12
                72.48         13.48        1.3040    1   0   2        12
                86.39          5.71        1.1263    1   1   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.