Ba0.40H1.20Ta2O6*H2O
      Groult D, Michel C, Raveau B
      Journal of Inorganic and Nuclear Chemistry 37 (1975) 2203-2205
      Sur de nouveaux pyrochlores lacunaires d'ions bivalents synthetises par
      echanges d'ions
      Locality: synthetic
      _database_code_amcsd 0013045

      CELL PARAMETERS:   10.5890  10.5890  10.5890   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1187.312
      Density (g/cm3):      5.976
      MAX. ABS. INTENSITY / VOLUME**2:      240.6611941    
      RIR:     13.112
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.49         80.55        6.1136    1   1   1         8
                27.95         37.22        3.1927    3   1   1        24
                29.22        100.00        3.0568    2   2   2         8
                33.86         36.24        2.6472    4   0   0         6
                37.00         10.12        2.4293    3   3   1        24
                41.79          1.05        2.1615    4   2   2        24
                44.46          5.89        2.0379    5   1   1        24
                44.46          6.58        2.0379    3   3   3         8
                48.64         38.97        1.8719    4   4   0        12
                51.03         14.96        1.7899    5   3   1        48
                57.03          5.91        1.6148    5   3   3        24
                57.75         39.04        1.5964    6   2   2        24
                60.58         11.02        1.5284    4   4   4         8
                62.65          3.86        1.4828    7   1   1        24
                62.65          5.57        1.4828    5   5   1        24
                68.00          6.64        1.3786    7   3   1        48
                68.00          2.23        1.3786    5   5   3        24
                71.24          5.29        1.3236    8   0   0         6
                73.16          1.32        1.2937    7   3   3        24
                78.17          3.01        1.2227    7   5   1        48
                78.79         13.87        1.2146    6   6   2        24
                81.26         12.63        1.1839    8   4   0        24
                83.10          2.83        1.1623    7   5   3        48
                83.10          1.63        1.1623    9   1   1        24
                87.98          3.06        1.1100    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.