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 = 540 K Locality: synthetic _database_code_amcsd 0019125 5.082 6.772 4.522 90 90 90 Pnma atom x y z Uiso Fe1 .1883 .0579 .3320 .020 Fe2 .0340 .25 .8355 .020 C .9045 .25 .4491 .018