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 = 380 K
      Locality: synthetic
      _database_code_amcsd 0019117

      CELL PARAMETERS:    5.0800   6.7590   4.5180   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    155.129
      Density (g/cm3):      7.687
      MAX. ABS. INTENSITY / VOLUME**2:      46.87789235    
      RIR:      1.986
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.69          3.49        3.7561    0   1   1         4
                26.37          3.46        3.3795    0   2   0         2
                29.58          1.94        3.0202    1   1   1         8
                35.34          3.16        2.5400    2   0   0         2
                37.66         28.71        2.3884    1   2   1         8
                37.84         20.17        2.3777    2   1   0         4
                39.91         23.07        2.2590    0   0   2         2
                40.75         18.02        2.2141    2   0   1         4
                42.99         59.09        2.1041    2   1   1         8
                43.86         59.19        2.0641    1   0   2         4
                44.63         70.31        2.0304    2   2   0         4
                44.96        100.00        2.0162    0   3   1         4
                45.97         46.81        1.9741    1   1   2         8
                48.47          1.77        1.8781    0   2   2         4
                48.58         29.11        1.8740    1   3   1         8
                49.20         47.02        1.8520    2   2   1         8
                51.91         23.23        1.7615    1   2   2         8
                54.29          7.79        1.6897    0   4   0         2
                54.44          9.51        1.6855    2   3   0         4
                56.16          5.18        1.6377    2   1   2         8
                58.18         13.80        1.5856    3   0   1         4
                58.44          1.14        1.5792    2   3   1         8
                59.92          3.89        1.5437    3   1   1         8
                60.87          1.02        1.5220    1   3   2         8
                61.35          1.50        1.5110    1   4   1         8
                61.40          8.86        1.5101    2   2   2         8
                66.18          2.05        1.4120    1   1   3         8
                66.46          2.88        1.4069    2   4   0         4
                70.99         16.88        1.3278    1   2   3         8
                73.06          1.98        1.2951    0   5   1         4
                75.61          3.98        1.2576    3   2   2         8
                75.80          2.49        1.2549    1   5   1         8
                78.18         12.73        1.2226    4   0   1         4
                78.71         14.24        1.2157    1   3   3         8
                79.70          1.61        1.2031    4   1   1         8
                80.49          5.80        1.1933    2   5   0         4
                83.20         16.31        1.1611    3   3   2         8
                83.85         12.20        1.1538    2   5   1         8
                84.22          1.13        1.1497    4   2   1         8
                85.95          7.93        1.1309    1   5   2         8
                86.08          1.92        1.1295    0   0   4         2
                86.37          4.28        1.1265    0   6   0         2
                86.48         10.85        1.1253    3   0   3         4
                87.97          1.79        1.1100    3   1   3         8
                88.35          8.90        1.1063    4   3   0         4
                88.73          4.64        1.1026    1   0   4         4
                89.22          2.61        1.0977    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.