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 = 480 K Locality: synthetic _database_code_amcsd 0019122 5.078 6.766 4.519 90 90 90 Pnma atom x y z Uiso Fe1 .1874 .0590 .3323 .015 Fe2 .0348 .25 .8361 .015 C .9024 .25 .4490 .017