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 = 240 K Locality: synthetic _database_code_amcsd 0019110 5.082 6.748 4.513 90 90 90 Pnma atom x y z Uiso Fe1 .1843 .0584 .3322 .017 Fe2 .0343 .25 .8388 .017 C .8959 .25 .4494 .034