data_global _chemical_name_mineral 'Cuprobismutite' loop_ _publ_author_name 'Topa D' 'Makovicky E' 'Balic-Zunic T' _journal_name_full 'The Canadian Mineralogist' _journal_volume 41 _journal_year 2003 _journal_page_first 1481 _journal_page_last 1501 _publ_section_title ; Crystal structures and crystal chemistry of members of the cuprobismutite homologous series of sulfosalts ; _database_code_amcsd 0005923 _chemical_compound_source 'Felbertal Austria' _chemical_formula_sum 'Bi6.292 Ag.708 Cu4 S12' _cell_length_a 17.590 _cell_length_b 3.9219 _cell_length_c 15.177 _cell_angle_alpha 90 _cell_angle_beta 100.710 _cell_angle_gamma 90 _cell_volume 1028.766 _exptl_crystal_density_diffrn 6.554 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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 Bi1 0.00000 0.50000 0.00000 0.29200 0.03040 Ag1 0.00000 0.50000 0.00000 0.70800 0.03040 Bi2 0.33456 0.50000 0.09272 1.00000 0.02930 Bi3 0.49537 0.00000 0.28002 1.00000 0.02930 Bi4 0.24520 0.50000 0.37071 1.00000 0.02700 Cu1 0.15528 0.00000 0.14082 1.00000 0.05620 Cu2 0.08802 0.00000 0.47966 1.00000 0.03990 S1 0.16381 0.50000 0.05920 1.00000 0.02940 S2 0.48973 0.50000 0.12471 1.00000 0.02750 S3 0.34252 0.00000 0.22009 1.00000 0.02550 S4 0.15341 0.00000 0.28959 1.00000 0.02530 S5 0.46745 0.50000 0.38695 1.00000 0.02770 S6 0.16142 0.50000 0.49378 1.00000 0.02650 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 Bi1 0.02800 0.02950 0.03410 0.00000 0.00680 0.00000 Ag1 0.02800 0.02950 0.03420 0.00000 0.00680 0.00000 Bi2 0.03000 0.02190 0.03400 0.00000 0.00120 0.00000 Bi3 0.03110 0.02390 0.03210 0.00000 0.00380 0.00000 Bi4 0.02500 0.02480 0.03070 0.00000 0.00370 0.00000 Cu1 0.09290 0.04160 0.03600 0.00000 0.01660 0.00000 Cu2 0.03480 0.03650 0.04780 0.00000 0.00600 0.00000 S1 0.03530 0.02300 0.02870 0.00000 0.00270 0.00000 S2 0.02520 0.02670 0.03110 0.00000 0.00660 0.00000 S3 0.02150 0.02320 0.03150 0.00000 0.00460 0.00000 S4 0.02030 0.02320 0.03150 0.00000 0.00280 0.00000 S5 0.03090 0.02380 0.02940 0.00000 0.00820 0.00000 S6 0.02850 0.02060 0.02880 0.00000 0.00170 0.00000