Iron
      Zhang J, Guyot F
      Physics and Chemistry of Minerals 26 (1999) 206-211
      Thermal equation of iron and Fe0.91Si0.09
      Sample: P = 1.3 GPa, T = 299 K
      _database_code_amcsd 0008171

      CELL PARAMETERS:    2.8591   2.8591   2.8591   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     23.372
      Density (g/cm3):      7.934
      MAX. ABS. INTENSITY / VOLUME**2:      307.0426744    
      RIR:     12.600
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                44.83        100.00        2.0217    1   1   0        12
                65.27         13.43        1.4296    2   0   0         6
                82.67         23.62        1.1672    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.