Chalcopyrite Hall S R, Stewart J M Acta Crystallographica B29 (1973) 579-585 The crystal structure refinement of chalcopyrite, CuFeS2 _database_code_amcsd 0009476 5.289 5.289 10.423 90 90 90 I-42d atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Cu 0 0 0 .0184 .0184 .0197 0 0 0 Fe 0 0 .5 .0117 .0117 .0118 0 0 0 S .2574 .25 .125 .0113 .0132 .0136 0 0 .0014