data_global _amcsd_formula_title 'H4 K4 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 1007172 ; _database_code_amcsd 0013548 _chemical_formula_sum 'K2 P2 O7 H2' _cell_length_a 8.165 _cell_length_b 8.228 _cell_length_c 11.154 _cell_angle_alpha 97.37 _cell_angle_beta 95.43 _cell_angle_gamma 88.84 _cell_volume 739.793 _exptl_crystal_density_diffrn 2.282 _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 K1 0.24600 0.70492 0.05166 K2 0.71314 0.88032 0.07416 K3 0.60796 0.70057 0.42953 K4 0.82115 0.22230 0.45222 P1 0.37233 -0.00357 0.29608 P2 0.05761 0.13909 0.19794 P3 0.21499 0.45424 0.28555 P4 0.51787 0.28620 0.21755 O1 0.22580 0.03140 0.19400 O2 0.31090 -0.01650 0.41460 O3 0.47250 0.86290 0.23710 O4 0.93160 0.05100 0.25150 O5 0.02250 0.18970 0.07590 O6 0.11370 0.29230 0.29860 O7 0.29660 0.51150 0.40740 O8 0.10730 0.56950 0.22140 O9 0.64400 0.40070 0.28320 O10 0.54850 0.19070 0.10000 O11 0.47350 0.16800 0.31430 O12 0.34700 0.38390 0.19290 O13 0.78460 0.56510 0.11580 O14 0.91810 0.78190 0.37370 H1 0.72600 0.52800 0.16700 H2 0.88800 0.55500 0.13400 H3 0.94100 0.88700 0.35000 H4 0.96900 0.69500 0.33000