Cu O5 Pr0.6 Sr1.6 Tl0.8 Bourgault D, Martin C, Michel C, Hervieu M, Provost J, Raveau B Journal of Solid State Chemistry 78 (1989) 326-328 Tl1-x Prx Sr2-y Pry Cu O5-delta: First Member of the Family Tl A2 Cam-1 Cum O2m+ (A= Ba, Sr) _cod_database_code 1001404 _database_code_amcsd 0013645 3.741 3.741 8.875 90 90 90 P4/mmm atom x y z occ Tl1 0 0 .5 .8 Pr1 0 0 .5 .2 Sr1 .5 .5 .205 .8 Pr2 .5 .5 .205 .2 Cu1 0 0 0 O1 0 0 .259 O2 .5 .5 .5 O3 .5 0 0