data_global _amcsd_formula_title 'Bi2.22 O4 Sr0.78' loop_ _publ_author_name 'Sillen L' 'Aurivillius B' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 101 _journal_year 1939 _journal_page_first 483 _journal_page_last 495 _publ_section_title ; Oxide phases with a defect oxygen lattice _cod_database_code 1010022 ; _database_code_amcsd 0016961 _chemical_formula_sum 'Sr.78 Bi2.22 O4.02' _cell_length_a 3.97 _cell_length_b 3.97 _cell_length_c 28.59 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 390.235 _exptl_crystal_density_diffrn 7.616 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' 'y,x,-z' '2/3+y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-x,-x+y,-z' '2/3-x,1/3-x+y,1/3-z' '1/3-x,2/3-x+y,2/3-z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' 'x-y,-y,-z' '2/3+x-y,1/3-y,1/3-z' '1/3+x-y,2/3-y,2/3-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Sr1 0.00000 0.00000 0.00000 0.78000 Bi1 0.00000 0.00000 0.00000 0.22000 Bi2 0.00000 0.00000 0.22600 1.00000 O1 0.00000 0.00000 0.13500 0.67000 O2 0.00000 0.00000 0.30800 0.67000 O3 0.00000 0.00000 0.41300 0.67000