data_global _chemical_name_mineral 'Pyromorphite' loop_ _publ_author_name 'Hendricks S' 'Jefferson M' 'Mosley V' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 81 _journal_year 1932 _journal_page_first 352 _journal_page_last 369 _publ_section_title ; The crystal structures of some natural and synthetic apatite-like substances _cod_database_code 1011137 ; _database_code_amcsd 0018026 _chemical_formula_sum 'Pb5 P3 O12 Cl' _cell_length_a 9.95 _cell_length_b 9.95 _cell_length_c 7.31 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 626.750 _exptl_crystal_density_diffrn 7.187 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb1 0.33333 0.66667 0.00000 Pb2 0.25000 0.06300 0.25000 P1 0.41700 0.36900 0.25000 O1 0.34400 0.48100 0.25000 O2 0.60000 0.46400 0.25000 O3 0.35000 0.25000 0.06400 Cl1 0.00000 0.00000 0.00000