Murunskite Mujica C, Paez J, Llanos J Materials Research Bulletin 29 (1994) 263-268 Synthesis and crystal structure of layered chalcogenides [KCuFeS2 and KCuFeSe2] Locality: synthetic _database_code_amcsd 0014368 3.837 3.837 13.384 90 90 90 I4/mmm atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) K 0 0 0 .0475 .0548 .0548 .0328 0 0 0 Cu 0 .5 .25 .5 .0306 .0251 .0251 .0416 0 0 0 Fe 0 .5 .25 .5 .0306 .0251 .0251 .0416 0 0 0 S 0 0 .3508 .0289 .0265 .0265 .0339 0 0 0