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 = 560 K
      Locality: synthetic
      _database_code_amcsd 0019126

      CELL PARAMETERS:    5.0830   6.7750   4.5230   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    155.760
      Density (g/cm3):      7.655
      MAX. ABS. INTENSITY / VOLUME**2:      46.47767102    
      RIR:      1.977
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.65          3.45        3.7617    0   1   1         4
                26.31          3.66        3.3875    0   2   0         2
                29.54          1.79        3.0238    1   1   1         8
                35.32          4.39        2.5415    2   0   0         2
                37.60         25.55        2.3923    1   2   1         8
                37.81         17.61        2.3796    2   1   0         4
                39.86         25.11        2.2615    0   0   2         2
                40.72         15.50        2.2157    2   0   1         4
                42.95         61.53        2.1059    2   1   1         8
                43.81         57.63        2.0662    1   0   2         4
                44.57         76.67        2.0329    2   2   0         4
                44.86        100.00        2.0205    0   3   1         4
                45.92         45.16        1.9764    1   1   2         8
                48.39          2.34        1.8809    0   2   2         4
                48.48         27.88        1.8776    1   3   1         8
                49.13         43.73        1.8543    2   2   1         8
                51.83         23.48        1.7640    1   2   2         8
                54.15          8.35        1.6938    0   4   0         2
                54.30          1.14        1.6895    2   0   2         4
                54.34          8.22        1.6882    2   3   0         4
                56.10          5.14        1.6393    2   1   2         8
                58.14         12.33        1.5867    3   0   1         4
                58.34          1.79        1.5816    2   3   1         8
                59.87          4.35        1.5449    3   1   1         8
                60.76          1.56        1.5244    1   3   2         8
                61.21          1.34        1.5142    1   4   1         8
                61.32         10.06        1.5119    2   2   2         8
                66.10          2.09        1.4136    1   1   3         8
                66.32          2.75        1.4094    2   4   0         4
                70.88         16.02        1.3295    1   2   3         8
                72.87          2.12        1.2980    0   5   1         4
                75.52          4.61        1.2589    3   2   2         8
                75.61          2.34        1.2576    1   5   1         8
                78.12         12.64        1.2234    4   0   1         4
                78.58         13.99        1.2174    1   3   3         8
                79.64          1.28        1.2039    4   1   1         8
                80.29          5.01        1.1957    2   5   0         4
                83.08         14.71        1.1625    3   3   2         8
                83.66         13.14        1.1560    2   5   1         8
                84.13          1.20        1.1506    4   2   1         8
                85.75          7.36        1.1331    1   5   2         8
                85.97          1.57        1.1307    0   0   4         2
                86.12          4.14        1.1292    0   6   0         2
                86.39         10.10        1.1263    3   0   3         4
                87.87          1.89        1.1111    3   1   3         8
                88.23          8.29        1.1075    4   3   0         4
                88.60          5.00        1.1038    1   0   4         4
                89.04          2.57        1.0995    1   4   3         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.