O3 Ta0.72 W0.28 Y0.24 Studer F, Montfort Y, Raveau B Journal of Solid State Chemistry 7 (1973) 269-276 Evolution structurale de nouvelles Perovskites lacunaires Yx(Ta3xW1-3x)O3 _cod_database_code 1001124 _database_code_amcsd 0013315 3.833 3.833 3.833 90 90 90 Pm3m atom x y z occ Ta1 .5 .5 .5 .72 W1 .5 .5 .5 .28 Y1 0 0 0 .24 O1 0 .5 .5