gamma-Cu7PSe6
      Gaudin E, Boucher F, Petricek V, Taulelle F, Evain M
      Acta Crystallographica B56 (2000) 402-408
      Structures and phase transitions of the A7PSe6 (A = Ag, Cu) argyrodite-type
      ionic conductors. II. beta- and gamma-Cu7PSe6
      Note: T = 353 K
      _database_code_amcsd 0009920

      CELL PARAMETERS:   10.1130  10.1130  10.1130   90.000   90.000   90.000
      SPACE GROUP: F-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1034.285
      Density (g/cm3):      6.096
      MAX. ABS. INTENSITY / VOLUME**2:      75.61507081    
      RIR:      4.039
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.17          3.33        5.8387    1   1   1         4
                24.90          8.85        3.5755    2   2   0        12
                29.29         45.94        3.0492    3   1   1        12
                30.62        100.00        2.9194    2   2   2         4
                38.81          4.10        2.3201    3   3   1        12
                39.87          1.84        2.2613    4   2   0        24
                43.86         18.40        2.0643    4   2   2        12
                46.67         38.97        1.9462    5   1   1        12
                46.67         19.69        1.9462    3   3   3         4
                51.09         45.35        1.7877    4   4   0        12
                53.61          7.01        1.7094    5   3   1        24
                54.44          1.98        1.6855    6   0   0         6
                57.65          4.67        1.5990    6   2   0        24
                59.98          7.90        1.5422    5   3   3        12
                60.75         14.23        1.5246    6   2   2        12
                65.97          1.45        1.4161    7   1   1        12
                69.56          2.64        1.3514    6   4   2        24
                71.68          4.24        1.3166    5   5   3        12
                71.68          7.27        1.3166    7   3   1        24
                75.16          4.57        1.2641    8   0   0         6
                80.61          2.25        1.1918    8   2   2        12
                80.61          2.42        1.1918    6   6   0        12
                82.63          6.55        1.1677    7   5   1        24
                82.63          2.03        1.1677    5   5   5         4
                83.30          6.33        1.1600    6   6   2        12
                85.97          1.22        1.1307    8   4   0        24
                87.97          1.59        1.1100    7   5   3        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.