data_global _amcsd_formula_title 'Ag4 As4 H4 O14' loop_ _publ_author_name 'Boudjada A' 'Averbuch-Pouchot M' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 51 _journal_year 1984 _journal_page_first 76 _journal_page_last 82 _publ_section_title ; Structure cristalline de Ag4 H4 As4 O14: Un nouvel exemple d'anion As4O14 _cod_database_code 1008840 ; _database_code_amcsd 0016708 _chemical_formula_sum 'Ag2 As2 O7' _cell_length_a 7.839 _cell_length_b 12.428 _cell_length_c 6.556 _cell_angle_alpha 90 _cell_angle_beta 109.30 _cell_angle_gamma 90 _cell_volume 602.811 _exptl_crystal_density_diffrn 5.262 _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 Ag1 0.02290 0.22146 0.13220 Ag2 0.17210 0.54274 0.24420 As1 0.44140 0.29249 0.11470 As2 0.66340 0.50301 0.16950 O1 0.43130 0.55300 0.10600 O2 0.72210 0.56280 0.43300 O3 0.88310 0.45340 0.19500 O4 0.60680 0.37590 0.28200 O5 0.27200 0.37120 -0.05300 O6 0.52200 0.20970 -0.02900 O7 0.35030 0.23060 0.28200