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 = 200 K Locality: synthetic _database_code_amcsd 0019108 CELL PARAMETERS: 5.0820 6.7460 4.5120 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 154.686 Density (g/cm3): 7.709 MAX. ABS. INTENSITY / VOLUME**2: 47.42866560 RIR: 2.003 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.72 3.53 3.7504 0 1 1 4 26.42 4.40 3.3730 0 2 0 2 29.60 1.31 3.0177 1 1 1 8 35.32 3.29 2.5410 2 0 0 2 37.71 31.26 2.3854 1 2 1 8 37.83 19.68 2.3779 2 1 0 4 39.96 24.45 2.2560 0 0 2 2 40.75 19.52 2.2140 2 0 1 4 43.00 58.94 2.1036 2 1 1 8 43.91 58.20 2.0620 1 0 2 4 44.65 72.71 2.0295 2 2 0 4 45.05 100.00 2.0126 0 3 1 4 46.03 47.97 1.9719 1 1 2 8 48.55 2.82 1.8752 0 2 2 4 48.66 27.42 1.8712 1 3 1 8 49.23 49.49 1.8509 2 2 1 8 51.98 23.69 1.7593 1 2 2 8 54.38 1.02 1.6870 2 0 2 4 54.40 8.97 1.6865 0 4 0 2 54.49 9.33 1.6840 2 3 0 4 56.20 4.97 1.6366 2 1 2 8 58.17 14.26 1.5859 3 0 1 4 58.50 1.15 1.5777 2 3 1 8 59.91 3.80 1.5438 3 1 1 8 60.96 1.32 1.5198 1 3 2 8 61.45 9.57 1.5088 2 2 2 8 61.47 1.70 1.5085 1 4 1 8 66.27 1.98 1.4103 1 1 3 8 66.55 2.54 1.4052 2 4 0 4 69.68 1.17 1.3495 2 3 2 8 71.09 17.79 1.3260 1 2 3 8 73.22 2.34 1.2926 0 5 1 4 75.65 4.40 1.2570 3 2 2 8 75.96 2.60 1.2528 1 5 1 8 78.16 13.64 1.2229 4 0 1 4 78.85 14.81 1.2140 1 3 3 8 79.68 1.74 1.2033 4 1 1 8 80.62 6.50 1.1916 2 5 0 4 83.27 17.14 1.1603 3 3 2 8 83.71 1.25 1.1553 3 4 1 8 84.00 13.50 1.1521 2 5 1 8 84.22 1.51 1.1497 4 2 1 8 86.13 8.65 1.1290 1 5 2 8 86.23 1.98 1.1280 0 0 4 2 86.54 11.86 1.1247 3 0 3 4 86.58 4.12 1.1243 0 6 0 2 88.04 1.94 1.1094 3 1 3 8 88.36 9.61 1.1062 4 3 0 4 88.87 5.26 1.1012 1 0 4 4 89.39 2.53 1.0961 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.