data_global _chemical_name_mineral 'Uzonite' loop_ _publ_author_name 'Whitfield H J' _journal_name_full 'Dalton Transactions' _journal_volume 1973 _journal_year 1973 _journal_page_first 1740 _journal_page_last 1742 _publ_section_title ; Crystal and molecular structure of tetraarsenic pentasulphide ; _database_code_amcsd 0012425 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'As4 S5' _cell_length_a 7.98 _cell_length_b 8.10 _cell_length_c 7.14 _cell_angle_alpha 90 _cell_angle_beta 101.0 _cell_angle_gamma 90 _cell_volume 453.036 _exptl_crystal_density_diffrn 3.372 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z As1 0.02170 0.25000 0.80330 As2 0.05050 0.25000 0.45430 As3 0.39120 0.48900 0.74390 S1 0.18530 0.46490 0.91400 S2 0.23180 0.46290 0.45110 S3 0.54140 0.25000 0.78940 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 As1 0.02487 0.03889 0.03385 0.00000 0.00250 0.00000 As2 0.02611 0.03590 0.02140 0.00000 0.00779 0.00000 As3 0.02549 0.03723 0.03708 -0.00354 -0.00195 -0.00604 S1 0.02456 0.03723 0.03658 0.00096 0.00223 -0.00949 S2 0.02767 0.03124 0.02489 -0.00257 -0.00111 0.00546 S3 0.01927 0.03424 0.03733 0.00000 -0.01140 0.00000