data_global _amcsd_formula_title 'Bi0.5 Cu2 O10 Sr4 Tl0.5' loop_ _publ_author_name 'Maignan A' 'Huve M' 'Michel C' 'Hervieu M' 'Martin C' 'Raveau B' _journal_name_full 'Physica C' _journal_volume 208 _journal_year 1993 _journal_page_first 149 _journal_page_last 154 _publ_section_title ; A 55 K superconducting copper oxycarbonate: Tl1-xBixSr4Cu2CO3O7 _cod_database_code 1001584 ; _database_code_amcsd 0015045 _chemical_formula_sum 'Tl.5 Bi.5 Sr4 Cu2 C O10' _cell_length_a 3.8309 _cell_length_b 3.8309 _cell_length_c 16.518 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 242.415 _exptl_crystal_density_diffrn 5.865 _symmetry_space_group_name_H-M 'P 4/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,x,-z' 'y,-x,-z' '-y,x,z' 'x,-y,z' '-x,y,-z' 'x,y,-z' '-x,-y,z' 'y,x,z' '-y,-x,-z' '-y,x,-z' 'y,-x,z' '-x,y,z' 'x,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Tl1 0.07700 0.00000 0.00000 0.12500 Bi1 0.07700 0.00000 0.00000 0.12500 Sr1 0.50000 0.50000 0.16080 1.00000 Sr2 0.50000 0.50000 0.37330 1.00000 Cu1 0.00000 0.00000 0.26410 1.00000 C1 0.00000 0.00000 0.50000 1.00000 O1 0.67000 0.50000 0.00000 0.25000 O2 0.00000 0.00000 0.12500 1.00000 O3 0.13000 0.00000 0.42600 0.25000 O4 0.34000 0.00000 0.50000 0.25000 O5 0.50000 0.00000 0.26800 1.00000