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 = 140 K Locality: synthetic _database_code_amcsd 0019105 CELL PARAMETERS: 5.0820 6.7400 4.5120 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 154.548 Density (g/cm3): 7.715 MAX. ABS. INTENSITY / VOLUME**2: 48.17574684 RIR: 2.033 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.73 3.32 3.7494 0 1 1 4 26.45 4.24 3.3700 0 2 0 2 29.61 1.41 3.0171 1 1 1 8 35.32 3.25 2.5410 2 0 0 2 37.73 32.13 2.3844 1 2 1 8 37.84 19.77 2.3776 2 1 0 4 39.96 23.27 2.2560 0 0 2 2 40.75 19.65 2.2140 2 0 1 4 43.00 58.91 2.1035 2 1 1 8 43.91 59.26 2.0620 1 0 2 4 44.66 72.67 2.0289 2 2 0 4 45.08 100.00 2.0111 0 3 1 4 46.03 48.97 1.9718 1 1 2 8 48.56 2.81 1.8747 0 2 2 4 48.69 28.18 1.8700 1 3 1 8 49.24 49.17 1.8504 2 2 1 8 51.99 24.05 1.7588 1 2 2 8 54.38 1.02 1.6870 2 0 2 4 54.45 8.84 1.6850 0 4 0 2 54.52 9.56 1.6831 2 3 0 4 56.21 4.84 1.6365 2 1 2 8 58.17 14.86 1.5859 3 0 1 4 58.53 1.18 1.5770 2 3 1 8 59.92 3.90 1.5438 3 1 1 8 60.99 1.34 1.5191 1 3 2 8 61.46 9.23 1.5086 2 2 2 8 61.51 1.83 1.5075 1 4 1 8 66.28 2.07 1.4102 1 1 3 8 66.59 2.67 1.4043 2 4 0 4 69.70 1.19 1.3490 2 3 2 8 71.10 18.26 1.3259 1 2 3 8 73.29 2.38 1.2916 0 5 1 4 75.67 4.59 1.2569 3 2 2 8 76.03 2.75 1.2518 1 5 1 8 78.16 14.03 1.2229 4 0 1 4 78.87 15.45 1.2136 1 3 3 8 79.68 1.81 1.2033 4 1 1 8 80.69 6.75 1.1908 2 5 0 4 80.85 1.03 1.1888 4 2 0 4 83.30 18.30 1.1601 3 3 2 8 83.76 1.31 1.1549 3 4 1 8 84.07 13.94 1.1514 2 5 1 8 84.23 1.57 1.1496 4 2 1 8 86.20 9.16 1.1283 1 5 2 8 86.23 2.25 1.1280 0 0 4 2 86.54 12.47 1.1247 3 0 3 4 86.67 4.37 1.1233 0 6 0 2 88.04 2.01 1.1094 3 1 3 8 88.39 10.14 1.1059 4 3 0 4 88.87 5.38 1.1012 1 0 4 4 89.44 2.68 1.0957 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.