D1.4H1.6Ta2O6
      Groult D, Pannetier, Raveau B
      Journal of Solid State Chemistry 41 (1982) 277-285
      Neutron diffraction study of the defect pyrochlores TaWO5.5, HTaWO6,
      H2Ta2O6, and HTaWO6*H2 O
      _cod_database_code 1001217
      _database_code_amcsd 0013472

      CELL PARAMETERS:   10.6106  10.6106  10.6106   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1194.593
      Density (g/cm3):      5.096
      MAX. ABS. INTENSITY / VOLUME**2:      295.3290327    
      RIR:     18.871
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.46        100.00        6.1260    1   1   1         8
                27.89         46.78        3.1992    3   1   1        24
                29.15         53.23        3.0630    2   2   2         8
                33.79         17.66        2.6527    4   0   0         6
                36.93         13.53        2.4342    3   3   1        24
                44.36          7.56        2.0420    5   1   1        24
                44.36          7.17        2.0420    3   3   3         8
                48.54         20.76        1.8757    4   4   0        12
                50.91         16.58        1.7935    5   3   1        48
                56.91          6.40        1.6181    5   3   3        24
                57.62         20.05        1.5996    6   2   2        24
                60.45          5.76        1.5315    4   4   4         8
                62.51          5.67        1.4858    5   5   1        24
                62.51          4.14        1.4858    7   1   1        24
                67.85          6.61        1.3814    7   3   1        48
                67.85          2.34        1.3814    5   5   3        24
                71.08          2.72        1.3263    8   0   0         6
                72.98          1.35        1.2963    7   3   3        24
                77.98          2.84        1.2252    7   5   1        48
                78.60          6.73        1.2171    6   6   2        24
                81.06          6.11        1.1863    8   4   0        24
                82.89          1.50        1.1647    9   1   1        24
                82.89          2.66        1.1647    7   5   3        48
                87.75          2.85        1.1123    9   3   1        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.