data_global _amcsd_formula_title 'Ag18 Bi4 O12' loop_ _publ_author_name 'Masse R' 'Tordjman I' 'Durif A' _journal_name_full 'Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences' _journal_volume 9 _journal_year 1986 _journal_page_first 631 _journal_page_last 633 _publ_section_title ; Etude structurale d'un sous-oxyde d'argent bismuth Bi4 Ag18 O12. _cod_database_code 1007165 ; _database_code_amcsd 0012242 _chemical_formula_sum 'Bi2 Ag9 O6' _cell_length_a 10.630 _cell_length_b 14.229 _cell_length_c 23.91 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 3616.490 _exptl_crystal_density_diffrn 5.454 _symmetry_space_group_name_H-M 'C m c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,y,1/2-z' '1/2+x,1/2+y,1/2-z' '-x,-y,1/2+z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Bi1 0.18925 0.87282 0.12334 Ag1 0.26020 0.62090 0.15190 Ag2 0.19340 0.47210 0.25000 Ag3 0.00000 0.47940 0.15291 Ag4 0.20790 0.26920 0.25000 Ag5 0.00000 0.27080 0.15862 Ag6 0.00000 0.36350 0.05124 Ag7 0.27970 0.00000 0.00000 Ag8 0.25000 0.25000 0.00000 O1 0.19800 0.27200 0.16230 O2 0.19900 0.37300 0.05110 O3 0.19900 0.47700 0.16030