Tantalcarbide
      Schwarz M, Summa O
      Metallwirtschaft, Metallwissenschaft, Metalltechnik 12 (1933) 298-298
      Die Kristallstruktur von Tantalkarbid
      _cod_database_code 1010654
      _database_code_amcsd 0017535

      CELL PARAMETERS:    4.4460   4.4460   4.4460   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     87.884
      Density (g/cm3):     14.582
      MAX. ABS. INTENSITY / VOLUME**2:      973.3912288    
      RIR:     21.736
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                34.95        100.00        2.5669    1   1   1         8
                40.58         61.55        2.2230    2   0   0         6
                58.74         36.20        1.5719    2   2   0        12
                70.21         31.53        1.3405    3   1   1        24
                73.83         10.69        1.2834    2   2   2         8
                87.83          4.61        1.1115    4   0   0         6
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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.