Strontium
      McWhan D B, Jayaraman A
      Applied Physics Letters 3 (1963) 129-131
      Crystal structure of strontium metal above 35 kbar and its relation
      to ytterbium
      Locality: synthetic
      Sample: at P = 4.2 GPa & T = room T
      _database_code_amcsd 0012032

      CELL PARAMETERS:    4.4340   4.4340   4.4340   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     87.174
      Density (g/cm3):      3.338
      MAX. ABS. INTENSITY / VOLUME**2:      178.3803246    
      RIR:     17.403
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.47        100.00        3.1353    1   1   0        12
                40.70         17.64        2.2170    2   0   0         6
                50.41         34.69        1.8102    2   1   1        24
                58.91          9.95        1.5677    2   2   0        12
                66.71         12.61        1.4022    3   1   0        24
                74.07          2.88        1.2800    2   2   2         8
                81.17         12.66        1.1850    3   2   1        48
                88.13          1.23        1.1085    4   0   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.