data_global _amcsd_formula_title 'AgI' loop_ _publ_author_name 'Hull S' 'Keen D A' _journal_name_full 'Physical Review' _journal_volume B59 _journal_year 1999 _journal_page_first 750 _journal_page_last 761 _publ_section_title ; Pressure-induced phase transitions in AgCl, AgBr, and AgI Sample: P = 11.3 GPa, Phase V ; _database_code_amcsd 0015231 _chemical_formula_sum 'Ag I' _cell_length_a 4.056 _cell_length_b 4.057 _cell_length_c 5.615 _cell_angle_alpha 90 _cell_angle_beta 98.43 _cell_angle_gamma 90 _cell_volume 91.398 _exptl_crystal_density_diffrn 8.531 _symmetry_space_group_name_H-M 'P 1 21 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ag 0.15700 0.25000 0.21900 0.05319 I 0.30000 0.25000 0.70700 0.04306