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 = 300 K Locality: synthetic _database_code_amcsd 0019113 5.081 6.754 4.515 90 90 90 Pnma atom x y z Uiso Fe1 .1846 .0594 .3340 .012 Fe2 .0346 .25 .8377 .012 C .8984 .25 .4467 .029