data_global _amcsd_formula_title 'Pb2AsO2OHCl2' loop_ _publ_author_name 'Effenberger H' 'Miletich R' 'Pertlik F' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 541 _journal_page_last 543 _publ_section_title ; Structure of dilead(II) hydrogenarsenate(III) dichloride ; _database_code_amcsd 0010122 _chemical_formula_sum 'Pb2 As O3 Cl2' _cell_length_a 6.410 _cell_length_b 5.525 _cell_length_c 9.293 _cell_angle_alpha 90 _cell_angle_beta 90.69 _cell_angle_gamma 90 _cell_volume 329.090 _exptl_crystal_density_diffrn 6.138 _symmetry_space_group_name_H-M 'P 1 21/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb1 0.28878 0.25000 0.44178 0.01950 Pb2 0.52952 0.25000 0.83910 0.02350 As 0.77340 0.25000 0.31270 0.01670 O1 0.74150 0.25000 0.12100 0.03600 O2 0.59550 0.01440 0.35190 0.01900 Cl1 0.24030 0.25000 0.09870 0.03100 Cl2 0.88620 0.25000 0.65870 0.02600