Gupeiite
      Kanematsu K
      Transactions of the Japan Institute of Metals 27 (1986) 225-232
      Stability of crystal structure of (Fe,V)3M and (Fe,Ni)3M (M=Si,Ge,Sn)
      and its analysis based on rigid band model
      Locality: synthetic
      _database_code_amcsd 0019761

      CELL PARAMETERS:    5.6440   5.6440   5.6440   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    179.788
      Density (g/cm3):      7.226
      MAX. ABS. INTENSITY / VOLUME**2:      241.4766084    
      RIR:     10.881
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.37          6.27        3.2586    1   1   1         8
                31.71          3.20        2.8220    2   0   0         6
                45.45        100.00        1.9955    2   2   0        12
                53.88          2.32        1.7017    3   1   1        24
                66.24         13.55        1.4110    4   0   0         6
                84.00         24.37        1.1521    4   2   2        24
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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.