Fe2Si
      Errandonea D, Santamaria-Perez D, Vegas A, Nuss J, Jansen M,
      Rodriguez-Hernandez P, Munoz A
      Physical Review B - Condensed Matter 77 (2008) 094113-1-094113-12
      Structural stability of Fe5Si3 and Ni2Si studied by high-pressure
      X-ray diffraction and ab initio total-energy calculations
      Locality: synthetic
      _database_code_amcsd 0019682

      CELL PARAMETERS:    4.0520   4.0520   5.0850   90.000   90.000  120.000
      SPACE GROUP: P-3m1     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     72.304
      Density (g/cm3):      6.419
      MAX. ABS. INTENSITY / VOLUME**2:      105.3847702    
      RIR:      5.346
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.38          5.03        3.5091    1   0   0         6
                30.96         10.78        2.8882    0   1   1         6
                30.96          6.93        2.8882    1   0   1         6
                35.30          1.55        2.5425    0   0   2         2
                43.98         24.01        2.0589    0   1   2         6
                43.98         75.99        2.0589    1   0   2         6
                44.73         94.93        2.0260    1   1   0         6
                55.39          1.06        1.6586    0   2   1         6
                55.39          1.64        1.6586    2   0   1         6
                58.23          1.98        1.5845    1   1   2        12
                60.68          1.28        1.5263    0   1   3         6
                64.53         20.41        1.4441    0   2   2         6
                64.53          6.36        1.4441    2   0   2         6
                73.84          1.02        1.2834    1   2   1        12
                74.66          3.77        1.2713    0   0   4         2
                80.33          3.60        1.1952    0   1   4         6
                81.93          5.56        1.1759    1   2   2        12
                81.93         18.10        1.1759    2   1   2        12
                82.46         11.76        1.1697    3   0   0         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.