#------------------------------------------------------------------------------ #$Date: 2018-07-07 04:59:37 +0300 (Sat, 07 Jul 2018) $ #$Revision: 208902 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/15/1001583.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_1001583 loop_ _publ_author_name 'Pelloquin, D' 'Caldes, M' 'Maignan, A' 'Michel, C' 'Hervieu, M' 'Raveau, B' _publ_section_title ; The bismuth oxycarbonate Bi~2~Sr~4~Cu~2~CO~3~O~8~. A new superconductor with a T~c~ of 30K ; _journal_coden_ASTM PHYCE6 _journal_name_full 'Physica C (Amsterdam) (152,1988-)' _journal_page_first 121 _journal_page_last 129 _journal_paper_doi 10.1016/0921-4534(93)90678-J _journal_volume 208 _journal_year 1993 _chemical_formula_structural 'Bi2 Sr4 Cu2 (C O3) O8' _chemical_formula_sum 'C Bi2 Cu2 O11 Sr4' _chemical_name_systematic ; Dibismuth tetrastrontium dicopper carbonate oxide ; _space_group_IT_number 67 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 67 _symmetry_space_group_name_Hall '-A 2b 2b' _symmetry_space_group_name_H-M 'A b m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.466(2) _cell_length_b 5.460(2) _cell_length_c 39.500(9) _cell_volume 1178.9 _refine_ls_R_factor_all 0.13 _cod_depositor_comments ; Correcting the summary chemical formula by changing it from 'Bi2 Cu2 O11 Sr4' to 'C Bi2 Cu2 O11 Sr4'. Antanas Vaitkus, 2018-07-07 ; _cod_database_code 1001583 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,-z -x,1/2-y,z x,1/2-y,-z -x,-y,-z x,-y,z x,1/2+y,-z -x,1/2+y,z x,1/2+y,1/2+z -x,1/2+y,1/2-z -x,-y,1/2+z x,-y,1/2-z -x,1/2-y,1/2-z x,1/2-y,1/2+z x,y,1/2-z -x,y,1/2+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 Bi1 Bi3+ 8 m 0.25 0. 0.04 1. 0 d Sr1 Sr2+ 8 m 0.75 0. 0.109 1. 0 d Sr2 Sr2+ 8 m 0.75 0. 0.197 1. 0 d Cu1 Cu2+ 8 m 0.25 0. 0.155 1. 0 d C1 C4+ 4 g 0.25 0. 0.25 1. 0 d O1 O2- 8 m 0.75 0. 0.04 1. 0 d O2 O2- 8 m 0.25 0. 0.1 1. 0 d O3 O2- 8 h 0. 0.25 0.15 1. 0 d O4 O2- 8 i 0.5 0.25 0.15 1. 0 d O5 O2- 8 m 0.25 0. 0.22 0.5 0 d O6 O2- 4 e 0. 0.25 0.25 0.5 0 d O7 O2- 4 f 0.5 0.25 0.25 0.5 0 d O8 O2- 8 o 0.082 0.168 0.25 0.5 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Sr2+ 2.000 Cu2+ 2.000 C4+ 4.000 O2- -2.000