data_global _chemical_name_mineral 'Robinsonite' loop_ _publ_author_name 'Skowron A' 'Brown I D' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 527 _journal_page_last 531 _publ_section_title ; Refinement of the structure of robinsonite, Pb4Sb6S13 ; _database_code_amcsd 0010117 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sb4.95 Pb5.05 S13' _cell_length_a 23.698 _cell_length_b 3.980 _cell_length_c 24.466 _cell_angle_alpha 90 _cell_angle_beta 93.9 _cell_angle_gamma 90 _cell_volume 2302.241 _exptl_crystal_density_diffrn 5.960 _symmetry_space_group_name_H-M 'I 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-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 SbM1 0.69010 0.50000 0.79830 0.59000 0.02000 PbM1 0.69010 0.50000 0.79830 0.41000 0.02000 SbM2 0.50530 0.50000 0.81170 0.15000 0.02700 PbM2 0.50530 0.50000 0.81170 0.85000 0.02700 SbM3 0.43650 0.00000 0.94380 0.92000 0.02600 PbM3 0.43650 0.00000 0.94380 0.08000 0.02600 SbM4 0.61720 0.00000 0.92280 0.84000 0.02700 PbM4 0.61720 0.00000 0.92280 0.16000 0.02700 SbM10 0.50680 0.50000 0.35270 0.84000 0.02500 PbM10 0.50680 0.50000 0.35270 0.16000 0.02500 SbM11 0.42060 0.50000 0.51140 0.76000 0.03400 PbM11 0.42060 0.50000 0.51140 0.24000 0.03400 SbM12 0.34310 0.50000 0.67060 0.73000 0.02900 PbM12 0.34310 0.50000 0.67060 0.27000 0.02900 PbM13 0.18110 0.00000 0.66270 1.00000 0.03200 PbM14 0.26980 0.00000 0.52160 1.00000 0.02100 SbM15 0.35590 0.00000 0.36940 0.12000 0.03800 PbM15 0.35590 0.00000 0.36940 0.88000 0.03800 S1 0.69210 0.50000 0.90880 1.00000 0.01500 S2 0.52580 0.50000 0.92510 1.00000 0.01900 S3 0.41990 0.00000 0.84440 1.00000 0.01200 S4 0.59340 0.00000 0.82350 1.00000 0.01500 S5 0.76270 0.00000 0.81320 1.00000 0.02000 S6 0.36290 0.50000 0.95070 1.00000 0.01700 S10 0.40900 0.50000 0.31010 1.00000 0.01800 S11 0.32790 0.50000 0.45790 1.00000 0.01600 S12 0.25090 0.50000 0.61080 1.00000 0.01300 S13 0.30460 0.00000 0.72810 1.00000 0.02600 S14 0.37820 0.00000 0.57660 1.00000 0.01900 S15 0.45450 0.00000 0.43470 1.00000 0.02400 S16 0.53350 0.00000 0.28960 1.00000 0.03100