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 = 280 K Locality: synthetic _database_code_amcsd 0019112 5.082 6.753 4.514 90 90 90 Pnma atom x y z Uiso Fe1 .1843 .0589 .3336 .015 Fe2 .0349 .25 .8378 .015 C .8979 .25 .4474 .033