data_global _amcsd_formula_title 'H27 N4 O18 P3 Te' loop_ _publ_author_name 'Averbuch-Pouchot M' 'Durif A' _journal_name_full 'Ferroelectrics' _journal_volume 52 _journal_year 1984 _journal_page_first 271 _journal_page_last 279 _publ_section_title ; Crystal structure of ammonium phosphate tellurate Te(OH)6(NH4H2PO4)2(NH4)2HPO4 (T.A.A.P.). Crystal data for two isotypic salts: Te(OH)6(KH2PO4)2K2HPO4 and Te(OH)6(NH4H2AsO4)2(NH4)2HAsO4 _cod_database_code 1007258 ; _database_code_amcsd 0015939 _chemical_formula_sum 'Te P3 N4 O18' _cell_length_a 15.66 _cell_length_b 6.314 _cell_length_c 9.818 _cell_angle_alpha 90 _cell_angle_beta 105.4 _cell_angle_gamma 90 _cell_volume 935.921 _exptl_crystal_density_diffrn 2.003 _symmetry_space_group_name_H-M 'P 1 n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Te1 0.00000 0.00150 0.00000 P1 0.13230 0.53850 0.41040 P2 0.75040 0.00560 0.25000 P3 0.37010 0.53800 0.09060 N1 0.24560 0.07760 0.25270 N2 0.61750 0.52370 0.32810 N3 0.88180 0.54120 0.17630 N4 0.49900 0.01520 0.99890 O1 0.82930 0.87250 0.34720 O2 0.69400 0.27010 0.90900 O3 0.90060 0.18260 0.91780 O4 0.09640 0.82650 0.09310 O5 0.42650 0.50900 0.24210 O6 0.07050 0.51580 0.26510 O7 0.91980 0.76790 0.94550 O8 0.68760 0.65860 0.95040 O9 0.53500 0.99950 0.33040 O10 0.42190 0.57620 0.98230 O11 0.70780 0.12800 0.35010 O12 0.07560 0.24560 0.05490 O13 0.30060 0.35950 0.04030 O14 0.96470 0.02480 0.17720 O15 0.57610 0.43060 0.02000 O16 0.68030 0.84790 0.16999 O17 0.79030 0.14250 0.15620 O18 0.32090 0.75830 0.08800 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 Te1 0.00105 0.00723 0.00265 -0.00006 0.00050 0.00046 P1 0.00210 0.01340 0.00390 -0.00030 0.00060 0.00140 P2 0.00131 0.00730 0.00332 0.00040 0.00071 0.00220 P3 0.00160 0.00620 0.00260 -0.00020 0.00050 -0.00030 N1 0.00170 0.01590 0.00600 0.00150 0.00080 0.00660 N2 0.00120 0.00840 0.00300 -0.00040 0.00090 0.00210 N3 0.00430 0.01470 0.00840 -0.00190 0.00050 0.00570 N4 0.00620 0.01410 0.01450 0.00280 -0.00050 0.00410 O1 0.00150 0.00970 0.00380 0.00160 0.00030 0.00230 O2 0.00210 0.01340 0.00290 0.00130 -0.00010 -0.00030 O3 0.00030 0.00620 0.00410 0.00030 0.00050 0.00390 O4 0.00300 0.02070 0.00630 0.00210 0.00150 0.00090 O5 0.00200 0.01350 0.00330 0.00110 0.00060 -0.00250 O6 0.00210 0.01030 0.00430 0.00030 -0.00010 -0.00290 O7 0.00150 0.00600 0.00290 0.00070 0.00050 -0.00140 O8 0.00410 0.01560 0.00460 -0.00370 0.00240 -0.00230 O9 0.00190 0.01050 0.00190 -0.00040 0.00080 0.00080 O10 0.00280 0.01530 0.00660 -0.00240 0.00130 -0.00100 O11 0.00140 0.01060 0.00350 -0.00010 0.00030 -0.00210 O12 0.00250 0.00840 0.00830 -0.00300 0.00190 0.00120 O13 0.00180 0.01570 0.00550 -0.00160 0.00070 -0.00300 O14 0.00170 0.01330 0.00440 0.00030 0.00140 -0.00030 O15 0.00270 0.02150 0.00440 0.00000 0.00240 0.00180 O16 0.00230 0.01100 0.00560 -0.00050 0.00090 -0.00050 O17 0.00210 0.00960 0.00520 -0.00100 0.00190 0.00090 O18 0.00270 0.01030 0.00530 0.00040 0.00090 -0.00020