data_global _chemical_name_mineral 'Barikaite' loop_ _publ_author_name 'Makovicky E' 'Topa D' _journal_name_full 'Mineralogical Magazine' _journal_volume 77 _journal_year 2013 _journal_page_first 3093 _journal_page_last 3104 _publ_section_title ; The crystal structure of barikaite ; _database_code_amcsd 0020527 _chemical_compound_source 'Barika deposit, Azarbaijan Province, Iran' _chemical_formula_sum 'Pb2.434 As2.899 Sb1.917 Ag.75 S10' _cell_length_a 8.5325 _cell_length_b 8.0749 _cell_length_c 24.8284 _cell_angle_alpha 90 _cell_angle_beta 99.077 _cell_angle_gamma 90 _cell_volume 1689.232 _exptl_crystal_density_diffrn 5.334 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-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 _atom_site_occupancy _atom_site_U_iso_or_equiv Pb1 0.27441 0.23386 0.79636 1.00000 0.05740 Pb2 0.76999 0.23828 0.79357 1.00000 0.03750 As1 0.95630 0.15780 0.15716 1.00000 0.02170 As2 0.39430 0.18060 0.14870 0.54900 0.02130 Sb2 0.42680 0.18260 0.14180 0.45100 0.02130 As3 0.58100 0.17070 0.93950 0.82100 0.02280 Sb3 0.57640 0.14570 0.95270 0.17900 0.02280 Sb4 0.13230 0.14150 0.96118 1.00000 0.03720 As5 0.63310 0.02330 0.55020 0.52900 0.03080 Ag5 0.65790 0.00730 0.57730 0.47100 0.03080 Ag6 0.18350 0.02570 0.58240 0.27900 0.02040 Pb6 0.16320 0.08400 0.57310 0.43400 0.02040 Sb6 0.18390 0.04130 0.56660 0.28700 0.02040 S1 0.99490 0.00720 0.23540 1.00000 0.02510 S2 0.47670 0.03050 0.22610 1.00000 0.02790 S3 0.67700 0.17120 0.67530 1.00000 0.02280 S4 0.26940 0.16790 0.67870 1.00000 0.02470 S5 0.04670 0.12600 0.37940 1.00000 0.03040 S6 0.57370 0.16640 0.38510 1.00000 0.03270 S7 0.36740 0.00560 0.90680 1.00000 0.03370 S8 0.77170 0.01730 0.90200 1.00000 0.02470 S9 0.83810 0.17690 0.51000 1.00000 0.03280 S10 0.42430 0.19440 0.51470 1.00000 0.03250 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 Pb1 0.04470 0.07630 0.05360 -0.03000 0.01520 -0.01545 Pb2 0.03020 0.04200 0.04030 0.00560 0.00510 -0.00080 As1 0.01120 0.02950 0.02330 -0.00010 -0.00050 0.00120 Sb4 0.02670 0.03290 0.04910 -0.00430 -0.00010 0.00970 S1 0.01700 0.02700 0.03000 0.00000 0.00000 0.00500 S2 0.02400 0.03200 0.02600 -0.00300 -0.00100 0.00400 S3 0.01500 0.02600 0.02700 -0.00200 0.00300 -0.00100 S4 0.01800 0.02700 0.02900 0.00100 0.00200 -0.00500 S5 0.02800 0.02600 0.03400 0.00000 -0.00500 0.00100 S6 0.02900 0.03300 0.03900 -0.01300 0.01500 -0.01500 S7 0.02400 0.02700 0.04800 0.00300 0.00100 -0.00200 S8 0.00900 0.02800 0.03500 0.00100 -0.00500 -0.00200 S9 0.02900 0.03200 0.03700 0.01000 0.00600 0.00500 S10 0.03000 0.02700 0.04000 0.00400 0.00500 0.00400