data_global _chemical_name_mineral 'Sinnerite' loop_ _publ_author_name 'Makovicky E' 'Skinner B J' _journal_name_full 'American Mineralogist' _journal_volume 60 _journal_year 1975 _journal_page_first 998 _journal_page_last 1012 _publ_section_title ; Studies of the sulfosalts of copper. IV. Structure and twinning of sinnerite, Cu6As4S9 ; _database_code_amcsd 0000475 _chemical_formula_sum 'As4 Cu6 S9' _cell_length_a 9.064 _cell_length_b 9.830 _cell_length_c 9.078 _cell_angle_alpha 90.00 _cell_angle_beta 109.50 _cell_angle_gamma 107.80 _cell_volume 721.242 _exptl_crystal_density_diffrn 4.464 _symmetry_space_group_name_H-M 'P 1' loop_ _space_group_symop_operation_xyz 'x,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z As1 0.12300 0.01200 0.06100 As2 0.31800 0.18000 0.40100 As3 0.87400 0.01400 0.25900 As4 0.15600 0.82700 0.34800 As5 0.45100 0.59400 0.51000 As6 0.66300 0.78900 0.86800 As7 0.23300 0.59000 0.71400 As8 0.54500 0.43200 0.83500 Cu1 0.96200 0.62300 0.94300 Cu2 0.42600 0.78800 0.09900 Cu3 0.56900 0.17800 0.14600 Cu4 0.30700 0.41500 0.06800 Cu5 0.83800 0.21000 0.96000 Cu6 0.91500 0.82200 0.61400 Cu7 0.35600 0.98400 0.74900 Cu8 0.06900 0.21300 0.66500 Cu9 0.03200 0.37500 0.34700 Cu10 0.79500 0.38600 0.56400 Cu11 0.59800 0.96600 0.49400 Cu12 0.72000 0.60200 0.18500 S2 0.33200 0.19100 0.68100 S3 0.83300 0.99400 0.53600 S4 0.18600 0.77700 0.60300 S6 0.65300 0.82600 0.10400 S7 0.22200 0.59700 0.94000 S8 0.53900 0.40100 0.09600 S9 0.99700 0.58400 0.23700 S10 0.42600 0.79700 0.33800 S11 0.58800 0.16500 0.42800 S12 0.26000 0.41600 0.34200 S13 0.83100 0.18400 0.17400 S14 0.90300 0.82400 0.86400 S15 0.37600 0.96900 0.98200 S16 0.01400 0.16900 0.88100 S17 0.02800 0.38500 0.61500 S18 0.79600 0.38500 0.87200 S19 0.58200 0.95900 0.71900 S20 0.72200 0.59500 0.48000