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 = 4.2 K
      Locality: synthetic
      _database_code_amcsd 0019098

      CELL PARAMETERS:    5.0820   6.7330   4.5120   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    154.388
      Density (g/cm3):      7.723
      MAX. ABS. INTENSITY / VOLUME**2:      47.23163363    
      RIR:      1.991
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.74          3.61        3.7482    0   1   1         4
                26.48          4.62        3.3665    0   2   0         2
                29.61          1.36        3.0165    1   1   1         8
                35.32          3.24        2.5410    2   0   0         2
                37.75         33.31        2.3831    1   2   1         8
                37.84         19.53        2.3773    2   1   0         4
                39.96         23.28        2.2560    0   0   2         2
                40.75         20.38        2.2140    2   0   1         4
                43.00         59.28        2.1032    2   1   1         8
                43.91         59.90        2.0620    1   0   2         4
                44.68         73.82        2.0281    2   2   0         4
                45.12        100.00        2.0095    0   3   1         4
                46.04         49.56        1.9716    1   1   2         8
                48.58          2.96        1.8741    0   2   2         4
                48.73         28.07        1.8687    1   3   1         8
                49.26         49.67        1.8498    2   2   1         8
                52.01         24.72        1.7584    1   2   2         8
                54.38          1.03        1.6870    2   0   2         4
                54.52          9.25        1.6832    0   4   0         2
                54.55          9.62        1.6821    2   3   0         4
                56.21          4.72        1.6364    2   1   2         8
                58.17         15.17        1.5859    3   0   1         4
                58.56          1.09        1.5762    2   3   1         8
                59.92          3.81        1.5437    3   1   1         8
                61.02          1.37        1.5184    1   3   2         8
                61.48          9.21        1.5083    2   2   2         8
                61.57          1.83        1.5062    1   4   1         8
                66.28          2.06        1.4102    1   1   3         8
                66.65          2.54        1.4033    2   4   0         4
                69.73          1.21        1.3485    2   3   2         8
                71.12         18.34        1.3257    1   2   3         8
                73.37          2.41        1.2904    0   5   1         4
                75.68          4.52        1.2567    3   2   2         8
                76.11          2.78        1.2507    1   5   1         8
                78.16         13.82        1.2229    4   0   1         4
                78.90         15.11        1.2133    1   3   3         8
                79.69          1.86        1.2033    4   1   1         8
                80.77          6.72        1.1898    2   5   0         4
                80.87          1.09        1.1887    4   2   0         4
                83.32         18.19        1.1597    3   3   2         8
                83.81          1.39        1.1543    3   4   1         8
                84.14         13.84        1.1505    2   5   1         8
                84.24          1.65        1.1494    4   2   1         8
                86.23          2.28        1.1280    0   0   4         2
                86.28          9.13        1.1275    1   5   2         8
                86.54         12.42        1.1247    3   0   3         4
                86.78          4.15        1.1222    0   6   0         2
                88.05          1.92        1.1093    3   1   3         8
                88.42          9.88        1.1056    4   3   0         4
                88.87          5.26        1.1012    1   0   4         4
                89.49          2.57        1.0952    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.