data_global _amcsd_formula_title 'Ag4V2O7' loop_ _publ_author_name 'Masse R' 'Averbuch-Pouchot M' 'Durif A' 'Guitel J' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 39 _journal_year 1983 _journal_page_first 1608 _journal_page_last 1610 _publ_section_title ; Chemical Preparation and Crystal Structure of Silver Pyrovanadate, Ag4V2O7 _cod_database_code 1007100 ; _database_code_amcsd 0009987 _chemical_formula_sum 'Ag4 V2 O7' _cell_length_a 18.820 _cell_length_b 10.89 _cell_length_c 13.925 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2853.926 _exptl_crystal_density_diffrn 6.008 _symmetry_space_group_name_H-M 'P b c a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ag1 0.91764 0.00910 0.88540 Ag2 0.91647 0.00180 0.12350 Ag3 0.17329 0.22280 0.89890 Ag4 0.17061 0.75150 0.12210 Ag5 0.83549 0.24930 0.62950 Ag6 0.33895 0.74880 0.65760 Ag7 0.08983 0.49910 0.14090 Ag8 0.08592 0.50900 0.86970 V1 0.25700 0.98580 0.75070 V2 0.25790 -0.01740 0.01660 V3 -0.00120 0.75540 0.72910 V4 0.49810 0.25490 0.49680 O1 0.21050 0.46800 0.62200 O2 0.32400 0.41500 0.74000 O3 0.17860 0.09500 0.30550 O4 0.25840 0.35600 0.26190 O5 0.16530 0.56500 0.00670 O6 0.27290 0.82800 0.02890 O7 0.41750 0.32100 -0.00780 O8 0.00030 0.16800 0.38860 O9 0.07490 0.83200 0.23200 O10 -0.00090 0.87300 0.80740 O11 0.42170 0.67200 0.76670 O12 0.43060 0.84100 0.50310 O13 0.00490 0.36800 0.08460 O14 0.29110 0.99000 0.41820