Cohenite
      Wood I G, Vocadlo L, Knight K S, Dobson D P, Marshall W G, Price G D, Brodholt J
      Journal of Applied Crystallography 37 (2004) 82-90
      Thermal expansion and crystal structure of cementite, Fe3C, between 4 and 600 K
      determined by time-of-flight neutron powder diffraction
      Note: T = 520 K
      Locality: synthetic
      _database_code_amcsd 0019124

      CELL PARAMETERS:    5.0800   6.7700   4.5220   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    155.519
      Density (g/cm3):      7.667
      MAX. ABS. INTENSITY / VOLUME**2:      47.88316993    
      RIR:      2.033
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.66          3.41        3.7603    0   1   1         4
                26.33          3.48        3.3850    0   2   0         2
                29.56          1.84        3.0224    1   1   1         8
                35.34          4.10        2.5400    2   0   0         2
                37.62         25.92        2.3910    1   2   1         8
                37.83         18.28        2.3781    2   1   0         4
                39.87         24.24        2.2610    0   0   2         2
                40.74         15.71        2.2146    2   0   1         4
                42.97         60.73        2.1048    2   1   1         8
                43.83         58.45        2.0656    1   0   2         4
                44.60         74.90        2.0316    2   2   0         4
                44.89        100.00        2.0192    0   3   1         4
                45.93         45.53        1.9757    1   1   2         8
                48.41          2.10        1.8802    0   2   2         4
                48.52         28.65        1.8764    1   3   1         8
                49.16         44.76        1.8532    2   2   1         8
                51.85         23.65        1.7633    1   2   2         8
                54.19          8.24        1.6925    0   4   0         2
                54.38          8.55        1.6870    2   3   0         4
                56.13          5.26        1.6386    2   1   2         8
                58.17         12.87        1.5858    3   0   1         4
                58.38          1.67        1.5806    2   3   1         8
                59.91          4.39        1.5440    3   1   1         8
                60.79          1.42        1.5237    1   3   2         8
                61.26          1.39        1.5132    1   4   1         8
                61.35          9.88        1.5112    2   2   2         8
                66.12          2.14        1.4132    1   1   3         8
                66.37          2.88        1.4085    2   4   0         4
                70.91         16.79        1.3290    1   2   3         8
                72.93          2.14        1.2971    0   5   1         4
                75.57          4.71        1.2582    3   2   2         8
                75.67          2.49        1.2568    1   5   1         8
                78.18         13.31        1.2227    4   0   1         4
                78.62         14.81        1.2169    1   3   3         8
                79.69          1.39        1.2032    4   1   1         8
                80.36          5.45        1.1948    2   5   0         4
                83.13         15.91        1.1619    3   3   2         8
                83.73         13.59        1.1552    2   5   1         8
                84.19          1.21        1.1500    4   2   1         8
                85.81          7.93        1.1324    1   5   2         8
                85.99          1.78        1.1305    0   0   4         2
                86.19          4.47        1.1283    0   6   0         2
                86.43         10.86        1.1259    3   0   3         4
                87.92          2.02        1.1106    3   1   3         8
                88.30          9.04        1.1068    4   3   0         4
                88.63          5.21        1.1035    1   0   4         4
                89.09          2.77        1.0990    1   4   3         8
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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.