data_global _amcsd_formula_title 'Bi O3 Sr' loop_ _publ_author_name 'Kazakov S' 'Chaillout C' 'Bordet P' 'Capponi J' 'Nunez-Regueiro M' 'Rysak A' 'Tholence J' 'Radaelli P' 'Putilin S' 'Antipov E' _journal_name_full 'Nature' _journal_volume 390 _journal_year 1997 _journal_page_first 148 _journal_page_last 150 _publ_section_title ; Discovery of a second family of bismuth-oxide-based superconductors _cod_database_code 1008815 ; _database_code_amcsd 0016685 _chemical_formula_sum 'Sr Bi O3' _cell_length_a 5.9480 _cell_length_b 6.0951 _cell_length_c 8.4854 _cell_angle_alpha 90 _cell_angle_beta 90.063 _cell_angle_gamma 90 _cell_volume 307.627 _exptl_crystal_density_diffrn 7.440 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Sr1 -0.01520 0.54550 0.25100 Bi1 0.00000 0.00000 0.00000 Bi2 0.00000 0.00000 0.50000 O1 0.40560 0.46170 0.24100 O2 0.28400 0.19000 0.54600 O3 0.18700 0.71400 0.55600