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 = 480 K Locality: synthetic _database_code_amcsd 0019122 CELL PARAMETERS: 5.0780 6.7660 4.5190 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 155.263 Density (g/cm3): 7.680 MAX. ABS. INTENSITY / VOLUME**2: 48.61025491 RIR: 2.061 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.68 3.14 3.7579 0 1 1 4 26.34 3.41 3.3830 0 2 0 2 29.57 1.71 3.0207 1 1 1 8 35.35 3.82 2.5390 2 0 0 2 37.64 26.58 2.3896 1 2 1 8 37.85 18.65 2.3771 2 1 0 4 39.90 24.26 2.2595 0 0 2 2 40.76 16.48 2.2135 2 0 1 4 42.99 59.97 2.1038 2 1 1 8 43.86 57.52 2.0644 1 0 2 4 44.62 73.21 2.0307 2 2 0 4 44.92 100.00 2.0180 0 3 1 4 45.96 45.85 1.9745 1 1 2 8 48.45 2.30 1.8789 0 2 2 4 48.55 28.18 1.8753 1 3 1 8 49.19 45.26 1.8523 2 2 1 8 51.89 22.95 1.7622 1 2 2 8 54.23 8.05 1.6915 0 4 0 2 54.35 1.03 1.6879 2 0 2 4 54.41 8.80 1.6862 2 3 0 4 56.16 5.26 1.6377 2 1 2 8 58.20 13.03 1.5851 3 0 1 4 58.42 1.61 1.5798 2 3 1 8 59.94 4.27 1.5433 3 1 1 8 60.83 1.39 1.5228 1 3 2 8 61.30 1.50 1.5123 1 4 1 8 61.38 9.75 1.5104 2 2 2 8 66.17 2.15 1.4123 1 1 3 8 66.41 2.92 1.4077 2 4 0 4 70.96 16.99 1.3282 1 2 3 8 72.98 2.17 1.2963 0 5 1 4 75.61 4.61 1.2576 3 2 2 8 75.72 2.46 1.2560 1 5 1 8 78.21 13.47 1.2222 4 0 1 4 78.68 14.99 1.2162 1 3 3 8 79.73 1.46 1.2027 4 1 1 8 80.42 5.68 1.1942 2 5 0 4 83.19 16.34 1.1613 3 3 2 8 83.78 13.59 1.1545 2 5 1 8 84.24 1.26 1.1495 4 2 1 8 85.87 8.12 1.1317 1 5 2 8 86.06 1.80 1.1298 0 0 4 2 86.26 4.55 1.1277 0 6 0 2 86.49 11.17 1.1253 3 0 3 4 87.98 2.02 1.1100 3 1 3 8 88.35 9.32 1.1063 4 3 0 4 88.70 5.32 1.1028 1 0 4 4 89.16 2.80 1.0983 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.