H4 O7 Sb2
      Riviere M, Fourquet J, Grins J, Nygren M
      Materials Research Bulletin 23 (1988) 965-975
      The cubic Pyrochlores H2x Sb2x W2-2x O6 n(H2 O); structural,
      thermal and electrical properties
      _cod_database_code 1000240
      _database_code_amcsd 0014332

      CELL PARAMETERS:   10.3650  10.3650  10.3650   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1113.545
      Density (g/cm3):      4.241
      MAX. ABS. INTENSITY / VOLUME**2:      141.4058546    
      RIR:     10.858
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.80        100.00        5.9842    1   1   1         8
                28.56         54.80        3.1252    3   1   1        24
                29.86         57.60        2.9921    2   2   2         8
                34.62         12.79        2.5912    4   0   0         6
                37.83         10.06        2.3779    3   3   1        24
                42.74          1.61        2.1157    4   2   2        24
                45.47          6.03        1.9947    5   1   1        24
                45.47          8.18        1.9947    3   3   3         8
                49.76         24.74        1.8323    4   4   0        12
                52.21         18.83        1.7520    5   3   1        48
                58.38          7.24        1.5806    5   3   3        24
                59.12         19.46        1.5626    6   2   2        24
                62.04          5.04        1.4961    4   4   4         8
                64.17          6.68        1.4514    5   5   1        24
                64.17          4.24        1.4514    7   1   1        24
                69.68          7.69        1.3494    7   3   1        48
                69.68          1.74        1.3494    5   5   3        24
                73.03          2.75        1.2956    8   0   0         6
                75.01          1.15        1.2663    7   3   3        24
                80.20          2.90        1.1968    7   5   1        48
                80.84          7.38        1.1889    6   6   2        24
                83.40          6.24        1.1588    8   4   0        24
                85.31          2.37        1.1377    7   5   3        48
                85.31          1.98        1.1377    9   1   1        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.