TbO2
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Fluorite structure
      _database_code_amcsd 0011724

      CELL PARAMETERS:    5.2200   5.2200   5.2200   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    142.237
      Density (g/cm3):      8.914
      MAX. ABS. INTENSITY / VOLUME**2:      511.9410109    
      RIR:     18.699
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                29.64        100.00        3.0138    1   1   1         8
                34.36         30.70        2.6100    2   0   0         6
                49.38         45.69        1.8455    2   2   0        12
                58.66         35.33        1.5739    3   1   1        24
                61.54          6.77        1.5069    2   2   2         8
                72.42          5.54        1.3050    4   0   0         6
                80.14         11.57        1.1976    3   3   1        24
                82.67          7.50        1.1672    4   2   0        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.