data_global _amcsd_formula_title 'H4 K2 Na2 O14 P4' loop_ _publ_author_name 'Averbuch-Pouchot M' 'Durif A' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 58 _journal_year 1985 _journal_page_first 119 _journal_page_last 132 _publ_section_title ; Contribution to the crystal chemistry of tetrametaphosphates (I). _cod_database_code 1007174 ; _database_code_amcsd 0013550 _chemical_formula_sum 'K P2 Na O7' _cell_length_a 7.928 _cell_length_b 7.928 _cell_length_c 21.66 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1361.400 _exptl_crystal_density_diffrn 2.303 _symmetry_space_group_name_H-M 'P 41' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,x,1/4+z' '-x,-y,1/2+z' 'y,-x,3/4+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K1 0.34860 0.15460 0.57318 K2 -0.01600 0.37230 0.13493 P1 0.07190 0.08760 0.00000 P2 0.14420 0.27560 0.70911 P3 0.78310 0.49390 0.99844 P4 0.13030 0.43340 0.95992 Na1 0.79450 0.06640 0.64390 Na2 0.43300 0.29000 0.06560 O1 0.15070 0.13050 0.06030 O2 0.07480 0.11370 0.21920 O3 0.10530 0.12970 0.76000 O4 0.76440 0.06540 0.89870 O5 0.56090 0.10620 0.99040 O6 0.74560 0.34490 0.94870 O7 0.65700 0.24550 0.71650 O8 0.45620 0.30040 0.80820 O9 0.01540 0.53000 0.50980 O10 0.70620 0.53240 0.49100 O11 0.48670 0.09150 0.14960 O12 0.76810 0.11070 0.19920 O13 0.68260 0.23300 0.56050 O14 0.31850 0.45310 0.15050