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 = 160 K Locality: synthetic _database_code_amcsd 0019106 CELL PARAMETERS: 5.0820 6.7420 4.5120 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 154.594 Density (g/cm3): 7.713 MAX. ABS. INTENSITY / VOLUME**2: 47.95713565 RIR: 2.025 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.73 3.26 3.7498 0 1 1 4 26.44 4.07 3.3710 0 2 0 2 29.61 1.54 3.0173 1 1 1 8 35.32 3.15 2.5410 2 0 0 2 37.72 31.68 2.3847 1 2 1 8 37.84 20.11 2.3777 2 1 0 4 39.96 23.34 2.2560 0 0 2 2 40.75 19.48 2.2140 2 0 1 4 43.00 58.81 2.1035 2 1 1 8 43.91 59.10 2.0620 1 0 2 4 44.66 71.67 2.0291 2 2 0 4 45.07 100.00 2.0116 0 3 1 4 46.03 48.67 1.9718 1 1 2 8 48.56 2.51 1.8749 0 2 2 4 48.68 28.27 1.8704 1 3 1 8 49.24 48.97 1.8506 2 2 1 8 51.99 23.77 1.7590 1 2 2 8 54.44 8.51 1.6855 0 4 0 2 54.51 9.60 1.6834 2 3 0 4 56.21 4.87 1.6366 2 1 2 8 58.17 14.66 1.5859 3 0 1 4 58.52 1.14 1.5772 2 3 1 8 59.92 3.82 1.5438 3 1 1 8 60.98 1.23 1.5193 1 3 2 8 61.46 9.12 1.5087 2 2 2 8 61.50 1.79 1.5078 1 4 1 8 66.27 2.04 1.4103 1 1 3 8 66.58 2.73 1.4046 2 4 0 4 69.70 1.14 1.3492 2 3 2 8 71.10 17.93 1.3259 1 2 3 8 73.27 2.28 1.2919 0 5 1 4 75.66 4.40 1.2569 3 2 2 8 76.00 2.70 1.2521 1 5 1 8 78.16 13.75 1.2229 4 0 1 4 78.86 15.25 1.2137 1 3 3 8 79.68 1.80 1.2033 4 1 1 8 80.67 6.62 1.1911 2 5 0 4 80.85 1.03 1.1889 4 2 0 4 83.29 17.96 1.1602 3 3 2 8 83.74 1.21 1.1550 3 4 1 8 84.04 13.48 1.1516 2 5 1 8 84.22 1.46 1.1496 4 2 1 8 86.18 8.90 1.1285 1 5 2 8 86.23 2.20 1.1280 0 0 4 2 86.54 12.18 1.1247 3 0 3 4 86.64 4.35 1.1237 0 6 0 2 88.04 1.98 1.1094 3 1 3 8 88.38 9.92 1.1060 4 3 0 4 88.87 5.19 1.1012 1 0 4 4 89.42 2.65 1.0958 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.