H1.5 O6.25 Ta W
      Groult D, Michel C, Raveau B
      Journal of Inorganic and Nuclear Chemistry 36 (1974) 61-66
      Sur l'evolution thermique des pyrochlores d'hydroxonium et d'ammonium
      H3 O M W O6, H4 O M2 O6 et N H4 M W O6 (M = Nb, Ta)
      _cod_database_code 1001199
      _database_code_amcsd 0013034

      CELL PARAMETERS:   10.3190  10.3190  10.3190   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1098.785
      Density (g/cm3):      5.622
      MAX. ABS. INTENSITY / VOLUME**2:      277.4908692    
      RIR:     16.071
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.87        100.00        5.9577    1   1   1         8
                28.69         62.32        3.1113    3   1   1        24
                30.00         63.86        2.9788    2   2   2         8
                34.78         19.04        2.5798    4   0   0         6
                38.01         15.84        2.3673    3   3   1        24
                45.68         10.80        1.9859    5   1   1        24
                45.68          8.20        1.9859    3   3   3         8
                50.00         28.21        1.8242    4   4   0        12
                52.46         18.73        1.7442    5   3   1        48
                58.67          7.65        1.5736    5   3   3        24
                59.41         24.22        1.5556    6   2   2        24
                62.34          5.76        1.4894    4   4   4         8
                64.49          6.28        1.4449    5   5   1        24
                64.49          4.11        1.4449    7   1   1        24
                70.04          2.99        1.3434    5   5   3        24
                70.04          9.04        1.3434    7   3   1        48
                73.41          3.51        1.2899    8   0   0         6
                75.40          1.56        1.2607    7   3   3        24
                80.63          4.24        1.1915    7   5   1        48
                81.28          8.45        1.1837    6   6   2        24
                83.86          6.97        1.1537    8   4   0        24
                85.79          3.06        1.1327    7   5   3        48
                85.79          1.94        1.1327    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.