data_global _chemical_name_mineral 'Yedlinite' loop_ _publ_author_name 'Wood M M' 'McLean W J' 'Laughon R B' _journal_name_full 'American Mineralogist' _journal_volume 59 _journal_year 1974 _journal_page_first 1160 _journal_page_last 1165 _publ_section_title ; The crystal structure and composition of yedlinite ; _database_code_amcsd 0000428 _chemical_formula_sum 'Pb6 Cl6 Cr O8 H4' _cell_length_a 12.868 _cell_length_b 12.868 _cell_length_c 9.821 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1408.343 _exptl_crystal_density_diffrn 5.801 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb 0.18290 0.13790 0.21210 0.02875 Cl 0.08690 0.28860 0.10500 0.02710 Cr 0.00000 0.00000 0.50000 0.00760 O 0.13300 0.09100 0.60400 0.02660 Wat 0.00000 0.00000 0.10800 0.04559