data_global _amcsd_formula_title 'Cs3 O21 P7 Pb2' loop_ _publ_author_name 'Averbuch-Pouchot M' _journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie' _journal_volume 529 _journal_year 1985 _journal_page_first 143 _journal_page_last 150 _publ_section_title ; Crystal structure of a tetrameta-polyphosphate: Pb2 Cs3 (P4O12) (PO3)3 _cod_database_code 1008304 ; _database_code_amcsd 0016226 _chemical_formula_sum 'Pb2 Cs3 P7 O21' _cell_length_a 6.808 _cell_length_b 7.875 _cell_length_c 22.12 _cell_angle_alpha 86.23 _cell_angle_beta 96.96 _cell_angle_gamma 113.98 _cell_volume 1075.397 _exptl_crystal_density_diffrn 4.218 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb1 0.41197 0.18640 0.37554 Pb2 0.60696 0.83186 0.11469 Cs1 0.75250 0.78990 0.88858 Cs2 0.30260 0.20630 0.57904 Cs3 0.87910 0.31880 0.23480 P1 0.36460 0.84970 0.25410 P2 0.53540 0.55930 0.24880 P3 0.95580 0.87710 0.26510 P4 0.27480 0.72580 0.96240 P5 0.01360 0.66400 0.06550 P6 0.19660 0.74450 0.48230 P7 0.03670 0.40300 0.41150 O1 0.43400 0.94300 0.19610 O2 0.52500 0.05100 0.68880 O3 0.63300 0.35500 0.74190 O4 0.43000 0.43700 0.81580 O5 0.53400 0.62400 0.72040 O6 0.75000 0.69800 0.28600 O7 0.04700 0.00000 0.31990 O8 0.10000 0.04500 0.79230 O9 0.10900 0.77600 0.25400 O10 0.49100 0.79400 -0.00210 O11 0.24800 0.81500 0.90220 O12 0.79200 0.49100 0.04600 O13 0.05300 0.19500 0.91230 O14 0.16700 0.60200 0.10260 O15 0.09200 0.73500 -0.00150 O16 0.36700 0.68600 0.51410 O17 0.75800 0.06300 0.54140 O18 0.93300 0.39100 0.57350 O19 0.24300 0.40900 0.39580 O20 0.15800 0.67500 0.63160 O21 0.00600 0.70300 0.52310