Iron
      Wilburn D R, Bassett W A
      American Mineralogist 63 (1978) 591-596
      Hydrostatic compression of iron and related compounds: An overview
      P = 10 Kbar
      _database_code_amcsd 0000671

      CELL PARAMETERS:    2.8600   2.8600   2.8600   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     23.394
      Density (g/cm3):      7.927
      MAX. ABS. INTENSITY / VOLUME**2:      306.7950641    
      RIR:     12.602
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                44.82        100.00        2.0223    1   1   0        12
                65.25         13.43        1.4300    2   0   0         6
                82.64         23.63        1.1676    2   1   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.