data_global _amcsd_formula_title 'Pb3(P3O9)2(H2O)3' loop_ _publ_author_name 'Brunel-Lauegt M' 'Tordjman I' 'Durif A' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 32 _journal_year 1976 _journal_page_first 3246 _journal_page_last 3249 _publ_section_title ; Structure cristalline du trimetaphosphate de plomb trihydrate, Pb3(P3O9)2(H2O)3 _cod_database_code 1007250 ; _database_code_amcsd 0015932 _chemical_formula_sum 'Pb P2 O7' _cell_length_a 11.957 _cell_length_b 11.957 _cell_length_c 12.270 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1754.240 _exptl_crystal_density_diffrn 4.329 _symmetry_space_group_name_H-M 'P 41 21 2' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,x,-z' '1/2-y,1/2+x,1/4+z' '1/2-x,1/2+y,1/4-z' '-x,-y,1/2+z' '-y,-x,1/2-z' '1/2+y,1/2-x,3/4+z' '1/2+x,1/2-y,3/4-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb1 0.11960 0.11960 0.00000 Pb2 0.14780 0.42590 0.53700 P1 0.42010 0.15610 0.04130 P2 0.59650 0.31420 0.03740 P3 0.44310 0.31450 0.21330 O1 0.48600 0.06400 0.09200 O2 0.33300 0.12500 -0.03500 O3 0.63900 0.39700 -0.04300 O4 0.68400 0.24000 0.09300 O5 0.36800 0.40000 0.26300 O6 0.50600 0.24300 0.29000 O7 0.50600 0.23700 -0.02300 O8 0.51900 0.37900 0.13100 O9 0.37300 0.24200 0.13000 O10 0.13900 0.39000 0.31100 O11 0.63500 0.63500 0.00000