data_global _chemical_name_mineral 'Felbertalite' loop_ _publ_author_name 'Topa D' 'Makovicky E' 'Balic-Zunic T' 'Berlepsch P' _journal_name_full 'European Journal of Mineralogy' _journal_volume 12 _journal_year 2000 _journal_page_first 825 _journal_page_last 833 _publ_section_title ; The crystal structure of Cu2Pb6Bi8S19 ; _database_code_amcsd 0006838 _chemical_formula_sum 'Cu2 Pb6 Bi8 S19' _cell_length_a 27.637 _cell_length_b 4.0499 _cell_length_c 20.741 _cell_angle_alpha 90 _cell_angle_beta 131.258 _cell_angle_gamma 90 _cell_volume 1745.167 _exptl_crystal_density_diffrn 6.949 _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_U_iso_or_equiv Cu 0.03853 0.50000 0.09196 0.02900 Pb1 0.19107 0.50000 0.21713 0.02960 Pb2 0.39771 0.50000 0.40815 0.02540 Pb3 -0.00530 0.50000 0.34865 0.02110 Bi1 0.29875 0.00000 0.46284 0.01830 Bi2 0.09694 0.00000 0.29559 0.01620 Bi3 0.39977 0.50000 0.04582 0.02270 Bi4 0.27538 0.50000 0.10214 0.02230 S1 0.00000 0.50000 0.50000 0.01770 S2 0.00539 0.50000 0.22587 0.01860 S3 0.10170 0.00000 0.45155 0.02010 S4 0.08753 0.00000 0.16298 0.01460 S5 0.07096 0.50000 0.00742 0.01710 S6 0.19820 0.50000 0.37247 0.02330 S7 0.20987 0.00000 0.11473 0.01810 S8 0.29744 0.00000 0.33258 0.01880 S9 0.40665 0.50000 0.27651 0.02900 S10 0.32686 0.00000 0.06533 0.01440 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 Cu 0.02970 0.02920 0.03040 0.00000 0.02080 0.00000 Pb1 0.03100 0.02590 0.04110 0.00000 0.02760 0.00000 Pb2 0.03110 0.02390 0.02890 0.00000 0.02310 0.00000 Pb3 0.02670 0.01760 0.02560 0.00000 0.02010 0.00000 Bi1 0.02250 0.01470 0.02200 0.00000 0.01660 0.00000 Bi2 0.02270 0.01530 0.01740 0.00000 0.01620 0.00000 Bi3 0.02920 0.01850 0.03320 0.00000 0.02600 0.00000 Bi4 0.02680 0.02250 0.02410 0.00000 0.01960 0.00000 S1 0.02690 0.01680 0.01460 0.00000 0.01580 0.00000 S2 0.02140 0.02180 0.01960 0.00000 0.01660 0.00000 S3 0.02780 0.01930 0.01910 0.00000 0.01790 0.00000 S4 0.02370 0.01110 0.02000 0.00000 0.01900 0.00000 S5 0.02500 0.01720 0.02220 0.00000 0.02130 0.00000 S6 0.02380 0.02060 0.02410 0.00000 0.01510 0.00000 S7 0.03070 0.01500 0.02170 0.00000 0.02290 0.00000 S8 0.02660 0.01270 0.02100 0.00000 0.01730 0.00000 S9 0.03260 0.02240 0.02110 0.00000 0.01310 0.00000 S10 0.01660 0.01650 0.01760 0.00000 0.01450 0.00000