Cu1.85 Fe0.3 O10 Sr4 Tl0.85 Letouze F, Martin C, Hervieu M, Nguyen N, Maignan A, Michel C, Raveau B European Journal of Solid State and Inorganic Chemistry 34 (1997) 983-990 Stabilisation of a thallium oxycarbonate by trivalent iron: Tl0.85Sr4Cu1.85Fe0.30(CO3)O7 _cod_database_code 1001793 _database_code_amcsd 0012611 3.8246 3.8246 16.5069 90 90 90 P4/mmm atom x y z occ Tl1 .069 0 0 .2125 Fe1 .069 0 0 .0175 Cu1 .069 0 0 .02 Sr1 .5 .5 .1587 Sr2 .5 .5 .3737 Cu2 0 0 .2634 .885 Fe2 0 0 .2634 .115 C1 0 0 .5 O1 .53 .5 0 .25 O2 0 0 .123 O3 .146 0 .418 .25 O4 .34 0 .5 .25 O5 .5 0 .271