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 = 560 K Locality: synthetic _database_code_amcsd 0019126 5.083 6.775 4.523 90 90 90 Pnma atom x y z Uiso Fe1 .1895 .0585 .3319 .019 Fe2 .0342 .25 .8352 .019 C .9045 .25 .4480 .014