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 = 360 K Locality: synthetic _database_code_amcsd 0019116 CELL PARAMETERS: 5.0800 6.7570 4.5180 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 155.083 Density (g/cm3): 7.689 MAX. ABS. INTENSITY / VOLUME**2: 48.94796341 RIR: 2.073 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.69 2.99 3.7558 0 1 1 4 26.38 3.33 3.3785 0 2 0 2 29.58 1.73 3.0200 1 1 1 8 35.34 3.39 2.5400 2 0 0 2 37.67 28.02 2.3881 1 2 1 8 37.84 19.84 2.3776 2 1 0 4 39.91 23.59 2.2590 0 0 2 2 40.75 17.44 2.2141 2 0 1 4 42.99 58.95 2.1040 2 1 1 8 43.86 58.13 2.0641 1 0 2 4 44.63 70.88 2.0302 2 2 0 4 44.97 100.00 2.0157 0 3 1 4 45.97 46.90 1.9741 1 1 2 8 48.48 2.16 1.8779 0 2 2 4 48.59 28.58 1.8736 1 3 1 8 49.20 46.82 1.8519 2 2 1 8 51.91 22.76 1.7614 1 2 2 8 54.31 7.81 1.6892 0 4 0 2 54.45 9.27 1.6852 2 3 0 4 56.16 5.26 1.6377 2 1 2 8 58.18 13.64 1.5856 3 0 1 4 58.45 1.40 1.5789 2 3 1 8 59.92 4.14 1.5437 3 1 1 8 60.88 1.22 1.5217 1 3 2 8 61.37 1.61 1.5107 1 4 1 8 61.40 9.29 1.5100 2 2 2 8 66.18 2.12 1.4120 1 1 3 8 66.47 3.00 1.4066 2 4 0 4 70.99 17.41 1.3277 1 2 3 8 73.09 2.15 1.2947 0 5 1 4 75.62 4.45 1.2576 3 2 2 8 75.83 2.53 1.2546 1 5 1 8 78.18 13.73 1.2226 4 0 1 4 78.72 15.36 1.2156 1 3 3 8 79.70 1.60 1.2031 4 1 1 8 80.51 6.11 1.1930 2 5 0 4 83.21 17.23 1.1610 3 3 2 8 83.88 13.36 1.1535 2 5 1 8 84.22 1.25 1.1497 4 2 1 8 85.98 8.49 1.1306 1 5 2 8 86.08 1.99 1.1295 0 0 4 2 86.40 4.66 1.1262 0 6 0 2 86.48 11.65 1.1253 3 0 3 4 87.97 2.05 1.1100 3 1 3 8 88.35 9.76 1.1063 4 3 0 4 88.73 5.28 1.1026 1 0 4 4 89.24 2.84 1.0976 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.