data_global _chemical_name_mineral 'Paulmooreite' loop_ _publ_author_name 'Araki T' 'Moore P B' 'Brunton G D' _journal_name_full 'American Mineralogist' _journal_volume 65 _journal_year 1980 _journal_page_first 340 _journal_page_last 345 _publ_section_title ; The crystal structure of paulmooreite, Pb2[As2O5]: dimeric arsenite groups ; _database_code_amcsd 0000778 _chemical_formula_sum 'Pb2 As2 O5' _cell_length_a 13.584 _cell_length_b 5.650 _cell_length_c 8.551 _cell_angle_alpha 90 _cell_angle_beta 108.78 _cell_angle_gamma 90 _cell_volume 621.346 _exptl_crystal_density_diffrn 6.887 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb1 0.87944 0.34777 0.85850 Pb2 0.19928 0.65316 0.65005 As1 0.93649 0.87122 0.61423 As2 0.12882 0.12912 0.88433 O1 0.84880 0.66980 0.65180 O2 0.86420 0.12380 0.62270 O3 0.03160 0.89040 0.82090 O4 0.20600 0.05300 0.75970 O5 0.19990 0.99900 0.06980 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Pb1 0.01760 0.02269 0.01733 -0.00103 0.00359 -0.00171 Pb2 0.01693 0.02170 0.02022 -0.00166 0.00538 0.00144 As1 0.01533 0.01950 0.01727 -0.00052 0.00628 0.00132 As2 0.01559 0.02077 0.01826 0.00191 0.00649 -0.00056 O1 0.01852 0.01933 0.02939 -0.00261 0.00818 -0.00278 O2 0.01726 0.02098 0.02015 0.00335 0.00459 -0.00229 O3 0.01617 0.04224 0.01969 -0.01535 0.00116 0.00366 O4 0.01760 0.02911 0.02660 -0.00243 0.01524 -0.00266 O5 0.02472 0.03217 0.01441 -0.00600 0.00074 0.00067