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 = 420 K Locality: synthetic _database_code_amcsd 0019119 CELL PARAMETERS: 5.0790 6.7610 4.5180 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 155.144 Density (g/cm3): 7.686 MAX. ABS. INTENSITY / VOLUME**2: 48.69997193 RIR: 2.063 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.69 3.09 3.7565 0 1 1 4 26.36 3.31 3.3805 0 2 0 2 29.58 1.77 3.0202 1 1 1 8 35.34 3.54 2.5395 2 0 0 2 37.66 27.02 2.3887 1 2 1 8 37.84 19.45 2.3773 2 1 0 4 39.91 24.12 2.2590 0 0 2 2 40.76 16.95 2.2138 2 0 1 4 42.99 59.40 2.1039 2 1 1 8 43.86 57.63 2.0640 1 0 2 4 44.63 71.40 2.0304 2 2 0 4 44.95 100.00 2.0167 0 3 1 4 45.97 46.03 1.9741 1 1 2 8 48.47 2.09 1.8782 0 2 2 4 48.57 28.31 1.8743 1 3 1 8 49.20 46.11 1.8520 2 2 1 8 51.90 22.68 1.7616 1 2 2 8 54.27 7.79 1.6903 0 4 0 2 54.43 9.05 1.6856 2 3 0 4 56.17 5.31 1.6376 2 1 2 8 58.19 13.23 1.5853 3 0 1 4 58.44 1.46 1.5793 2 3 1 8 59.93 4.13 1.5435 3 1 1 8 60.86 1.23 1.5221 1 3 2 8 61.34 1.53 1.5114 1 4 1 8 61.40 9.53 1.5101 2 2 2 8 66.18 2.11 1.4120 1 1 3 8 66.44 2.97 1.4071 2 4 0 4 70.98 17.04 1.3278 1 2 3 8 73.04 2.11 1.2954 0 5 1 4 75.62 4.42 1.2575 3 2 2 8 75.78 2.47 1.2552 1 5 1 8 78.20 13.48 1.2224 4 0 1 4 78.71 15.05 1.2158 1 3 3 8 79.72 1.53 1.2029 4 1 1 8 80.47 5.86 1.1935 2 5 0 4 83.20 16.58 1.1611 3 3 2 8 83.84 13.24 1.1540 2 5 1 8 84.23 1.21 1.1495 4 2 1 8 85.93 8.16 1.1311 1 5 2 8 86.08 1.84 1.1295 0 0 4 2 86.34 4.57 1.1268 0 6 0 2 86.49 11.27 1.1252 3 0 3 4 87.98 2.01 1.1100 3 1 3 8 88.35 9.45 1.1063 4 3 0 4 88.73 5.22 1.1026 1 0 4 4 89.21 2.79 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.