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 = 300 K Locality: synthetic _database_code_amcsd 0019113 CELL PARAMETERS: 5.0810 6.7540 4.5150 90.000 90.000 90.000 SPACE GROUP: Pnma X-RAY WAVELENGTH: 1.541838 Cell Volume: 154.942 Density (g/cm3): 7.696 MAX. ABS. INTENSITY / VOLUME**2: 49.65516523 RIR: 2.101 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 23.70 2.85 3.7535 0 1 1 4 26.39 3.33 3.3770 0 2 0 2 29.59 1.85 3.0191 1 1 1 8 35.33 3.16 2.5405 2 0 0 2 37.68 29.47 2.3872 1 2 1 8 37.84 19.94 2.3778 2 1 0 4 39.94 22.78 2.2575 0 0 2 2 40.75 18.22 2.2141 2 0 1 4 42.99 58.87 2.1039 2 1 1 8 43.89 58.59 2.0630 1 0 2 4 44.63 70.21 2.0302 2 2 0 4 44.99 100.00 2.0148 0 3 1 4 46.00 47.92 1.9730 1 1 2 8 48.51 2.05 1.8768 0 2 2 4 48.61 29.01 1.8729 1 3 1 8 49.21 47.10 1.8516 2 2 1 8 51.94 23.28 1.7605 1 2 2 8 54.33 7.76 1.6885 0 4 0 2 54.46 9.73 1.6849 2 3 0 4 56.18 5.04 1.6372 2 1 2 8 58.18 14.43 1.5858 3 0 1 4 58.47 1.27 1.5786 2 3 1 8 59.92 3.98 1.5438 3 1 1 8 60.91 1.16 1.5210 1 3 2 8 61.40 1.77 1.5101 1 4 1 8 61.42 9.10 1.5095 2 2 2 8 66.23 2.17 1.4112 1 1 3 8 66.49 3.09 1.4062 2 4 0 4 69.63 1.02 1.3503 2 3 2 8 71.04 17.90 1.3270 1 2 3 8 73.13 2.19 1.2941 0 5 1 4 75.63 4.44 1.2574 3 2 2 8 75.86 2.71 1.2541 1 5 1 8 78.17 14.02 1.2228 4 0 1 4 78.77 15.93 1.2149 1 3 3 8 79.69 1.79 1.2032 4 1 1 8 80.54 6.50 1.1927 2 5 0 4 83.23 18.53 1.1608 3 3 2 8 83.66 1.07 1.1559 3 4 1 8 83.91 13.75 1.1531 2 5 1 8 84.21 1.35 1.1497 4 2 1 8 86.03 9.03 1.1301 1 5 2 8 86.15 2.26 1.1287 0 0 4 2 86.45 4.85 1.1257 0 6 0 2 86.51 12.41 1.1250 3 0 3 4 88.01 2.09 1.1097 3 1 3 8 88.35 10.31 1.1063 4 3 0 4 88.80 5.32 1.1019 1 0 4 4 89.30 2.94 1.0970 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.