Cohenite Lyashchenko B G, Sorokin L M Soviet Physics Crystallography 8 (1963) 300-304 Determination of the position of carbon in cementite by the neutron diffraction method Locality: synthetic _database_code_amcsd 0019132 4.525 5.088 6.74 90 90 90 Pbnm atom x y z Fe1 .333 .183 .065 Fe2 -.167 .040 .25 C .04 .354 .25