Sperrylite
      Stassen W N, Heyding R D
      Canadian Journal of Chemistry 46 (1968) 2159-2163
      Crystal structures of RuSe2, OsSe2, PtAs2, and alpha-NiAs2
      Locality: synthetic
      _database_code_amcsd 0012151

      CELL PARAMETERS:    5.9665   5.9665   5.9665   90.000   90.000   90.000
      SPACE GROUP: Pa3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    212.402
      Density (g/cm3):     10.785
      MAX. ABS. INTENSITY / VOLUME**2:      355.3776972    
      RIR:     10.730
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.86         63.40        3.4448    1   1   1         8
                29.95         85.29        2.9832    2   0   0         6
                33.59         30.95        2.6683    2   1   0        12
                36.90         26.05        2.4358    2   1   1        24
                42.87         53.93        2.1095    2   2   0        12
                50.75        100.00        1.7990    3   1   1        24
                53.18         18.03        1.7224    2   2   2         8
                55.53          9.74        1.6548    3   0   2        12
                57.82          9.39        1.5946    3   2   1        24
                57.82          4.16        1.5946    3   1   2        24
                68.56         14.47        1.3688    3   3   1        24
                70.60          8.94        1.3341    4   0   2        12
                70.60          8.94        1.3341    4   2   0        12
                72.61          5.39        1.3020    4   2   1        24
                74.61          2.61        1.2721    3   3   2        24
                78.54         14.82        1.2179    4   2   2        24
                84.35         23.54        1.1483    5   1   1        24
                84.35          5.60        1.1483    3   3   3         8
                88.18          4.45        1.1080    4   2   3        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.