#------------------------------------------------------------------------------ #$Date: 2018-07-07 04:59:37 +0300 (Sat, 07 Jul 2018) $ #$Revision: 208902 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/15/1001579.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1001579 loop_ _publ_author_name 'Huve, M' 'Michel, C' 'Maignan, A' 'Hervieu, M' 'Martin, C' 'Raveau, B' _publ_section_title ; A 70K superconductor. The oxycarbonate Tl~0.5~Pb~0.5~Sr~4~Cu~2~(CO~3~)O~7~ ; _journal_coden_ASTM PHYCE6 _journal_name_full 'Physica C (Amsterdam) (152,1988-)' _journal_page_first 219 _journal_page_last 224 _journal_paper_doi 10.1016/0921-4534(93)90386-5 _journal_volume 205 _journal_year 1993 _chemical_formula_structural '(Tl0.5 Pb0.5) Sr4 Cu2 (C O3) O7' _chemical_formula_sum 'C Cu2 O10 Pb0.5 Sr4 Tl0.5' _chemical_name_systematic ; Thallium lead strontium copper carbonate oxide (0.5/0.5/4/2/1/7) ; _space_group_IT_number 123 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 123 _symmetry_space_group_name_Hall '-P 4 2' _symmetry_space_group_name_H-M 'P 4/m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 3.8244(1) _cell_length_b 3.8244(1) _cell_length_c 16.516(1) _cell_volume 241.6 _refine_ls_R_factor_all 0.066 _cod_depositor_comments ; Correcting the summary chemical formula by changing it from 'Cu2 O10 Pb0.5 Sr4 Tl0.5' to 'C Cu2 O10 Pb0.5 Sr4 Tl0.5'. Antanas Vaitkus, 2018-07-07 ; _cod_original_formula_sum 'Cu2 O10 Pb.5 Sr4 Tl.5' _cod_database_code 1001579 loop_ _symmetry_equiv_pos_as_xyz 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 -x,y,-z y,-x,-z -y,x,-z -y,-x,-z y,x,-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Tl1 Tl3+ 4 l 0.083(2) 0. 0. 0.125 0 d Pb1 Pb4+ 4 l 0.083(2) 0. 0. 0.125 0 d Sr1 Sr2+ 2 h 0.5 0.5 0.1596(2) 1. 0 d Sr2 Sr2+ 2 h 0.5 0.5 0.3725(2) 1. 0 d Cu1 Cu2+ 2 g 0. 0. 0.2654(3) 1. 0 d C1 C4+ 1 b 0. 0. 0.5 1. 0 d O1 O2- 4 n 0.67(1) 0.5 0. 0.25 0 d O2 O2- 2 g 0. 0. 0.121(1) 1. 0 d O3 O2- 8 s 0.162(7) 0. 0.414(2) 0.25 0 d O4 O2- 4 n 0.316(12) 0. 0.5 0.25 0 d O5 O2- 4 i 0.5 0. 0.277(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Tl3+ 3.000 Pb4+ 4.000 Sr2+ 2.000 Cu2+ 2.250 C4+ 4.000 O2- -2.000