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 428 _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 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 120.0 _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 0.1829 0.1379 0.2121 0.02875 Cl 0.0869 0.2886 0.105 0.0271 Cr 0.0 0.0 0.5 0.0076 O 0.133 0.091 0.604 0.0266 Wat 0.0 0.0 0.108 0.04559