data_global _chemical_name_mineral 'Paarite' loop_ _publ_author_name 'Petricek V' 'Makovicky E' _journal_name_full 'The Canadian Mineralogist' _journal_volume 44 _journal_year 2006 _journal_page_first 189 _journal_page_last 206 _publ_section_title ; Interpretation of selected structures of the bismuthinite - aikinite series as commensurately modulated structures ; _database_code_amcsd 0006080 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Cu.415 Pb.425 Bi1.575 S3' _cell_length_a 4.007 _cell_length_b 11.1996 _cell_length_c 11.5123 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 516.635 _exptl_crystal_density_diffrn 6.940 _symmetry_space_group_name_H-M 'P m c n' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-x,y,z' '1/2+x,-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+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 Cu 0.25000 0.71230 0.71960 0.41500 0.05180 PbM2 0.25000 0.52211 0.33656 0.42500 0.04800 BiM2 0.25000 0.52211 0.33656 0.57500 0.04800 BiM1 0.25000 0.17807 0.51824 1.00000 0.04350 S1 0.25000 -0.05580 0.37860 1.00000 0.04110 S2 0.25000 0.63170 0.54680 1.00000 0.04150 S3 0.25000 0.30450 0.71580 1.00000 0.04000