data_global _chemical_name_mineral 'Gachingite' loop_ _publ_author_name 'Tolstykh N D' 'Tuhy M' 'Vymazalova A' 'Laufek F' 'Plasil J' 'Kosek F' _journal_name_full 'Mineralogical Magazine' _journal_volume 86 _journal_year 2022 _journal_page_first 205 _journal_page_last 213 _publ_section_title ; Gachingite, Au(Te1-xSex) 0.2 = x < 0.5, a new mineral from Maletoyvayam deposit, Kamchatka peninsula, Russia ; _database_code_amcsd 0021061 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Au (Te.532 Se.468)' _cell_length_a 7.5379 _cell_length_b 5.7415 _cell_length_c 8.8985 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 385.117 _exptl_crystal_density_diffrn 10.410 _symmetry_space_group_name_H-M 'C m c a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,1/2-y,1/2+z' '1/2+x,-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,1/2+y,1/2-z' '1/2+x,+y,1/2-z' '-x,1/2-y,1/2+z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Au 0.25000 0.65144 0.25000 1.00000 0.01791 Te 0.50000 0.70468 0.43591 0.53200 0.01670 Se 0.50000 0.70468 0.43591 0.46800 0.01670 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 Au 0.00215 0.01310 0.01910 0.00000 -0.00130 0.00000 Te 0.01765 0.01570 0.01680 0.00000 0.00000 -0.00040 Se 0.01765 0.01570 0.01680 0.00000 0.00000 -0.00040