data_global _amcsd_formula_title 'Ba2 Ca2 Cu3 O8.84 Tl0.93' loop_ _publ_author_name 'Martin C' 'Michel C' 'Maignan A' 'Hervieu M' 'Raveau B' _journal_name_full 'Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences' _journal_volume 307 _journal_year 1988 _journal_page_first 27 _journal_page_last 32 _publ_section_title ; Tl Ba2-x Ca2+x Cu3 O10-y : un supraconducteur a 120 K, nouveau terme d'une grande famille d'intercroissances de couches multiples types chlorure de sodium et de couches multiples de type perovskite deficitaires en oxygene _cod_database_code 1001373 ; _database_code_amcsd 0012301 _chemical_formula_sum 'Tl.93 Ba2 Ca2 Cu3 O8.84' _cell_length_a 3.844 _cell_length_b 3.844 _cell_length_c 15.88 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 234.648 _exptl_crystal_density_diffrn 6.206 _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 0.00000 0.00000 0.50000 0.93000 Ba1 0.50000 0.50000 0.32590 1.00000 Ca1 0.50000 0.50000 0.09200 1.00000 Cu1 0.00000 0.00000 0.00000 1.00000 Cu2 0.00000 0.00000 0.19340 1.00000 O1 0.00000 0.50000 0.00000 1.00000 O2 0.00000 0.00000 0.10000 0.32000 O3 0.00000 0.50000 0.20400 0.80000 O4 0.00000 0.00000 0.32800 1.00000 O5 0.50000 0.50000 0.50000 1.00000