data_global _amcsd_formula_title 'Ag2 Cr2 O7' loop_ _publ_author_name 'Durif A' 'Averbuch-Pouchot M' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 34 _journal_year 1978 _journal_page_first 3335 _journal_page_last 3337 _publ_section_title ; Structure du dichromate d'argent: Ag2 Cr2 O7 _cod_database_code 1007030 ; _database_code_amcsd 0009646 _chemical_formula_sum 'Ag2 Cr2 O7' _cell_length_a 6.968 _cell_length_b 7.148 _cell_length_c 6.544 _cell_angle_alpha 110.82 _cell_angle_beta 96.11 _cell_angle_gamma 91.05 _cell_volume 302.371 _exptl_crystal_density_diffrn 4.742 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ag1 0.15444 0.18515 0.75394 Ag2 0.63570 0.45340 0.73456 Cr1 0.33748 0.01729 0.23988 Cr2 0.84542 0.31093 0.20193 O1 0.74640 0.06020 0.04670 O2 0.43220 0.24650 0.32970 O3 0.49610 0.85810 0.26550 O4 0.15200 -0.00050 0.36490 O5 0.70030 0.47470 0.15290 O6 0.05410 0.33430 0.11700 O7 0.86800 0.33110 0.45650