H1.1 Nb O6.05 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 1001035
      _database_code_amcsd 0013033

      CELL PARAMETERS:   10.3550  10.3550  10.3550   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1110.325
      Density (g/cm3):      4.472
      MAX. ABS. INTENSITY / VOLUME**2:      178.6569856    
      RIR:     13.007
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.82        100.00        5.9785    1   1   1         8
                28.59         57.64        3.1221    3   1   1        24
                29.89         58.51        2.9892    2   2   2         8
                34.65         14.95        2.5887    4   0   0         6
                37.87         12.92        2.3756    3   3   1        24
                45.52          8.65        1.9928    5   1   1        24
                45.52          8.40        1.9928    3   3   3         8
                49.81         27.29        1.8305    4   4   0        12
                52.26         17.71        1.7503    5   3   1        48
                58.44          7.23        1.5791    5   3   3        24
                59.19         22.26        1.5611    6   2   2        24
                62.10          5.13        1.4946    4   4   4         8
                64.24          6.45        1.4500    5   5   1        24
                64.24          3.78        1.4500    7   1   1        24
                69.76          2.59        1.3481    5   5   3        24
                69.76          8.86        1.3481    7   3   1        48
                73.11          3.39        1.2944    8   0   0         6
                75.09          1.26        1.2651    7   3   3        24
                80.29          3.89        1.1957    7   5   1        48
                80.94          7.97        1.1878    6   6   2        24
                83.50          6.53        1.1577    8   4   0        24
                85.42          1.92        1.1366    9   1   1        24
                85.42          2.84        1.1366    7   5   3        48
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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.