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 = 600 K Locality: synthetic _database_code_amcsd 0019128 5.087 6.779 4.526 90 90 90 Pnma atom x y z Uiso Fe1 .1905 .0572 .3314 .023 Fe2 .0345 .25 .8371 .023 C .9060 .25 .4481 .016