TmH2
      Wyckoff R W G
      Crystal Structures 1 (1963) 239-444
      Second edition. Interscience Publishers, New York, New York
      Fluorite structure
      _database_code_amcsd 0011726

      CELL PARAMETERS:    5.0900   5.0900   5.0900   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    131.872
      Density (g/cm3):      8.609
      MAX. ABS. INTENSITY / VOLUME**2:      643.8462328    
      RIR:     24.351
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                30.42        100.00        2.9387    1   1   1         8
                35.27         48.16        2.5450    2   0   0         6
                50.73         32.93        1.7996    2   2   0        12
                60.31         35.14        1.5347    3   1   1        24
                63.29          9.67        1.4694    2   2   2         8
                74.58          4.14        1.2725    4   0   0         6
                82.63         11.58        1.1677    3   3   1        24
                85.27         10.39        1.1382    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.