data_global _chemical_name_mineral 'Hessite' loop_ _publ_author_name 'Schneider J' 'Schulz H' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 203 _journal_year 1993 _journal_page_first 1 _journal_page_last 15 _publ_section_title ; X-ray powder diffraction of Ag2Te at temperatures up to 1123 K Note: T = 297 K ; _database_code_amcsd 0011030 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ag2 Te' _cell_length_a 8.16160 _cell_length_b 4.46651 _cell_length_c 8.97335 _cell_angle_alpha 90 _cell_angle_beta 124.1528 _cell_angle_gamma 90 _cell_volume 270.700 _exptl_crystal_density_diffrn 8.424 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-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 0.01900 0.14960 0.37140 Ag2 0.33270 0.84040 0.99670 Te 0.27120 0.16010 0.24250 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ag1 0.02565 0.02021 0.01509 -0.00153 0.01220 0.00000 Ag2 0.02242 0.04144 0.02039 0.00764 0.00457 -0.00874 Te 0.01063 0.00707 0.01089 -0.00122 0.00534 0.00000