data_global _chemical_name_mineral 'Skinnerite' loop_ _publ_author_name 'Makovicky E' 'Balic-Zunic T' _journal_name_full 'The Canadian Mineralogist' _journal_volume 33 _journal_year 1995 _journal_page_first 655 _journal_page_last 663 _publ_section_title ; The crystal structure of skinnerite, P2_1/c-Cu3SbS3, from powder data ; _database_code_amcsd 0005434 _chemical_formula_sum 'Sb2 Cu6 S6' _cell_length_a 7.8142 _cell_length_b 10.2424 _cell_length_c 13.2726 _cell_angle_alpha 90 _cell_angle_beta 90.294 _cell_angle_gamma 90 _cell_volume 1062.274 _exptl_crystal_density_diffrn 5.110 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-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 Sb1 0.28190 0.24700 0.05910 1.00000 0.04433 Sb2 0.77880 0.25400 0.19490 1.00000 0.04433 Cu1 0.65300 0.90200 0.20200 1.00000 0.06206 Cu2 0.84700 0.10800 0.45600 1.00000 0.06206 Cu3 0.20300 0.10200 0.32700 1.00000 0.07599 Cu4a 0.38300 0.92300 0.08200 0.50000 0.07219 Cu4b 0.26800 0.88800 0.08000 0.50000 0.05193 Cu5 0.93300 0.97600 0.10600 1.00000 0.06459 Cu6 0.56700 0.03700 0.36400 1.00000 0.04939 S1 0.17200 0.07300 0.16400 1.00000 0.04559 S2 0.66500 0.07300 0.08500 1.00000 0.01773 S3 0.81500 0.93300 0.34100 1.00000 0.01140 S4 0.31100 0.93600 0.41700 1.00000 0.06206 S5 0.93700 0.75100 0.07500 1.00000 0.03420 S6 0.56000 0.25800 0.32200 1.00000 0.02153