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 = 400 K Locality: synthetic _database_code_amcsd 0019118 CELL PARAMETERS: 5.0800 6.7600 4.5180 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 155.152 Density (g/cm3): 7.685 MAX. ABS. INTENSITY / VOLUME**2: 47.78917313 RIR: 2.025 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.69 3.18 3.7563 0 1 1 4 26.37 3.63 3.3800 0 2 0 2 29.58 1.49 3.0203 1 1 1 8 35.34 3.73 2.5400 2 0 0 2 37.66 28.43 2.3886 1 2 1 8 37.84 19.42 2.3777 2 1 0 4 39.91 23.88 2.2590 0 0 2 2 40.75 17.33 2.2141 2 0 1 4 42.99 59.31 2.1041 2 1 1 8 43.86 58.12 2.0641 1 0 2 4 44.63 72.22 2.0306 2 2 0 4 44.95 100.00 2.0165 0 3 1 4 45.97 46.72 1.9741 1 1 2 8 48.47 2.53 1.8781 0 2 2 4 48.58 28.27 1.8742 1 3 1 8 49.19 46.68 1.8521 2 2 1 8 51.90 22.80 1.7616 1 2 2 8 54.28 8.17 1.6900 0 4 0 2 54.35 1.05 1.6880 2 0 2 4 54.43 8.91 1.6856 2 3 0 4 56.16 5.19 1.6377 2 1 2 8 58.18 13.45 1.5856 3 0 1 4 58.44 1.48 1.5793 2 3 1 8 59.92 4.18 1.5437 3 1 1 8 60.86 1.34 1.5221 1 3 2 8 61.34 1.60 1.5112 1 4 1 8 61.39 9.38 1.5101 2 2 2 8 66.18 2.08 1.4120 1 1 3 8 66.45 2.78 1.4070 2 4 0 4 70.98 17.02 1.3278 1 2 3 8 73.05 2.18 1.2952 0 5 1 4 75.61 4.57 1.2576 3 2 2 8 75.79 2.43 1.2551 1 5 1 8 78.18 13.34 1.2226 4 0 1 4 78.71 14.74 1.2157 1 3 3 8 79.70 1.47 1.2031 4 1 1 8 80.47 5.87 1.1935 2 5 0 4 83.20 16.28 1.1612 3 3 2 8 83.62 1.05 1.1563 3 4 1 8 83.84 13.17 1.1539 2 5 1 8 84.22 1.28 1.1497 4 2 1 8 85.94 8.13 1.1310 1 5 2 8 86.08 1.86 1.1295 0 0 4 2 86.35 4.36 1.1267 0 6 0 2 86.48 11.06 1.1253 3 0 3 4 87.97 1.98 1.1101 3 1 3 8 88.34 9.34 1.1064 4 3 0 4 88.73 5.17 1.1026 1 0 4 4 89.22 2.68 1.0978 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.