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 = 80 K
      Locality: synthetic
      _database_code_amcsd 0019102

      CELL PARAMETERS:    5.0820   6.7350   6.5120   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    222.888
      Density (g/cm3):      5.350
      MAX. ABS. INTENSITY / VOLUME**2:      33.37589821    
      RIR:      2.031
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.96          4.17        4.6815    0   1   1         4
                25.88          1.04        3.4432    1   1   1         8
                26.47          3.27        3.3675    0   2   0         2
                27.39         47.18        3.2560    0   0   2         2
                32.66        100.00        2.7416    1   0   2         4
                34.80         28.64        2.5778    1   2   1         8
                35.32          2.27        2.5410    2   0   0         2
                35.35         80.08        2.5393    1   1   2         8
                37.84         13.15        2.3774    2   1   0         4
                38.01         17.28        2.3672    2   0   1         4
                38.46          5.04        2.3408    0   2   2         4
                40.39         49.61        2.2332    2   1   1         8
                42.52         34.34        2.1261    1   2   2         8
                42.60         82.47        2.1224    0   3   1         4
                44.68         50.78        2.0283    2   2   0         4
                45.27          1.45        2.0032    2   0   2         4
                46.36         22.66        1.9585    1   3   1         8
                46.92         40.86        1.9366    2   2   1         8
                47.34          6.30        1.9201    2   1   2         8
                47.51          4.92        1.9139    1   1   3         8
                52.70          1.76        1.7369    1   3   2         8
                53.20         11.10        1.7216    2   2   2         8
                53.35         37.74        1.7172    1   2   3         8
                54.50          6.57        1.6838    0   4   0         2
                54.54          6.57        1.6824    2   3   0         4
                56.10         11.93        1.6394    3   0   1         4
                56.53          7.08        1.6280    0   0   4         2
                57.89          3.00        1.5929    3   1   1         8
                59.56          1.39        1.5522    1   4   1         8
                59.64         15.93        1.5504    1   0   4         4
                61.36          6.80        1.5109    1   1   4         8
                62.10          1.30        1.4947    2   3   2         8
                62.23         25.12        1.4918    1   3   3         8
                66.38          6.21        1.4083    1   2   4         8
                66.63          1.69        1.4036    2   4   0         4
                68.36          4.57        1.3723    3   2   2         8
                70.05          1.51        1.3432    2   1   4         8
                70.52         17.69        1.3355    3   0   3         4
                71.53          1.89        1.3191    0   5   1         4
                72.10          2.64        1.3100    3   1   3         8
                73.59          3.43        1.2870    1   4   3         8
                74.29          2.07        1.2768    1   5   1         8
                74.77          4.68        1.2696    2   2   4         8
                76.24         16.99        1.2488    3   3   2         8
                76.37         10.50        1.2470    4   0   1         4
                76.78          1.59        1.2414    3   2   3         8
                77.91          1.41        1.2261    4   1   1         8
                79.24          8.48        1.2090    1   5   2         8
                80.75          4.69        1.1901    2   5   0         4
                81.46          1.06        1.1814    1   2   5         8
                82.04          1.09        1.1746    3   4   1         8
                82.37         10.46        1.1707    2   5   1         8
                82.49          1.28        1.1694    4   2   1         8
                83.39          1.24        1.1590    2   0   5         4
                84.90          4.37        1.1422    2   1   5         8
                86.36          7.95        1.1266    0   3   5         4
                86.75          2.86        1.1225    0   6   0         2
                87.21          2.30        1.1178    2   5   2         8
                87.33          6.22        1.1166    1   5   3         8
                88.14          2.13        1.1084    3   2   4         8
                88.41          6.91        1.1057    4   3   0         4
                89.00          1.86        1.0999    1   3   5         8
                89.41          3.44        1.0959    2   2   5         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.