data_global _chemical_name_mineral 'Muthmannite' loop_ _publ_author_name 'Bindi L' 'Cipriani C' _journal_name_full 'American Mineralogist' _journal_volume 89 _journal_year 2004 _journal_page_first 1505 _journal_page_last 1509 _publ_section_title ; Ordered distribution of Au and Ag in the crystal structure of muthmannite, AuAgTe2, a rare telluride from Sacarimb, Western Romania ; _database_code_amcsd 0003649 _chemical_formula_sum 'Au Ag Te2' _cell_length_a 5.124 _cell_length_b 4.419 _cell_length_c 7.437 _cell_angle_alpha 90 _cell_angle_beta 89.96 _cell_angle_gamma 90 _cell_volume 168.396 _exptl_crystal_density_diffrn 11.045 _symmetry_space_group_name_H-M 'P 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,z' '-x,y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Au1 0.00000 0.00000 0.00000 0.02330 Au2 0.00000 0.00000 0.50000 0.02650 Ag1 0.50000 0.50000 0.00000 0.03030 Ag2 0.50000 0.50000 0.50000 0.03090 Te1 0.62770 0.00000 0.25090 0.02700 Te2 0.10890 0.50000 0.25820 0.02980 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 Au1 0.02250 0.02410 0.02340 0.00000 -0.00030 0.00000 Au2 0.02560 0.02710 0.02670 0.00000 0.00010 0.00000 Ag1 0.02810 0.03210 0.03080 0.00000 -0.00020 0.00000 Ag2 0.02910 0.03240 0.03120 0.00000 -0.00070 0.00000 Te1 0.02550 0.02840 0.02720 0.00000 -0.00030 0.00000 Te2 0.02820 0.03110 0.02990 0.00000 -0.00020 0.00000