Bi0.4601 Cu O4.99 Sr1.86 Tl0.6499 Michel C, Hervieu M, Martin C, Maignan A, Huve M, Raveau B Physica C 271 (1996) 111-121 Modulated ordering of bismuth and strontium in the "1201" cuprate (Tl2/3 Bi1/3)0.97 Sr1.86 Bi0.14 Cu O5-d _cod_database_code 1001763 _database_code_amcsd 0015079 3.7619 3.7619 8.9984 90 90 90 P4/mmm atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Tl1 .062 0 .5 .1625 Bi1 .062 0 .5 .080 Sr1 .5 .5 .2018 .930 .0069 .0069 .0209 0 0 0 Bi2 .5 .5 .2018 .070 .0069 .0069 .0209 0 0 0 Cu1 0 0 0 O1 .5 0 0 .98 .0017 .0069 .0242 0 0 0 O2 .412 .412 .5 .255 .0129 .0129 .0193 -.0028 0 0 O3 0 0 .2779 1.005 .0152 .0152 .0041 0 0 0