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 = 320 K
      Locality: synthetic
      _database_code_amcsd 0019114

      CELL PARAMETERS:    5.0810   6.7550   4.5150   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    154.965
      Density (g/cm3):      7.695
      MAX. ABS. INTENSITY / VOLUME**2:      48.49297533    
      RIR:      2.052
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.70          3.41        3.7537    0   1   1         4
                26.39          3.79        3.3775    0   2   0         2
                29.59          1.54        3.0192    1   1   1         8
                35.33          3.20        2.5405    2   0   0         2
                37.68         29.48        2.3874    1   2   1         8
                37.83         19.68        2.3779    2   1   0         4
                39.94         23.68        2.2575    0   0   2         2
                40.75         18.65        2.2141    2   0   1         4
                42.99         58.82        2.1039    2   1   1         8
                43.89         58.20        2.0630    1   0   2         4
                44.63         71.13        2.0303    2   2   0         4
                44.99        100.00        2.0150    0   3   1         4
                46.00         47.17        1.9731    1   1   2         8
                48.50          2.33        1.8769    0   2   2         4
                48.61         28.24        1.8731    1   3   1         8
                49.21         48.19        1.8517    2   2   1         8
                51.94         23.37        1.7606    1   2   2         8
                54.32          8.38        1.6888    0   4   0         2
                54.45          9.52        1.6851    2   3   0         4
                56.18          5.19        1.6372    2   1   2         8
                58.18         14.14        1.5858    3   0   1         4
                58.46          1.19        1.5787    2   3   1         8
                59.92          3.92        1.5438    3   1   1         8
                60.90          1.19        1.5211    1   3   2         8
                61.39          1.62        1.5102    1   4   1         8
                61.42          9.40        1.5096    2   2   2         8
                66.23          2.09        1.4112    1   1   3         8
                66.48          2.79        1.4064    2   4   0         4
                69.63          1.01        1.3504    2   3   2         8
                71.04         17.85        1.3270    1   2   3         8
                73.11          2.23        1.2943    0   5   1         4
                75.63          4.33        1.2574    3   2   2         8
                75.85          2.60        1.2542    1   5   1         8
                78.17         13.70        1.2228    4   0   1         4
                78.77         15.11        1.2149    1   3   3         8
                79.69          1.74        1.2032    4   1   1         8
                80.53          6.37        1.1928    2   5   0         4
                83.23         17.45        1.1609    3   3   2         8
                83.65          1.13        1.1560    3   4   1         8
                83.90         13.47        1.1533    2   5   1         8
                84.21          1.38        1.1497    4   2   1         8
                86.02          8.69        1.1302    1   5   2         8
                86.15          2.01        1.1287    0   0   4         2
                86.43          4.45        1.1258    0   6   0         2
                86.51         11.90        1.1250    3   0   3         4
                88.01          1.95        1.1097    3   1   3         8
                88.34          9.77        1.1063    4   3   0         4
                88.80          5.26        1.1019    1   0   4         4
                89.29          2.74        1.0971    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.