data_global _amcsd_formula_title 'Na1.7 O44 P4 W12' loop_ _publ_author_name 'Benmmoussa A' 'Groult D' 'Labbe P' 'Raveau B' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 40 _journal_year 1984 _journal_page_first 573 _journal_page_last 576 _publ_section_title ; Two New Members of a Series of Monoclinic Sodium Phosphate Tungsten Bronzes Nax P4 O8 (W O3)2m: Nax P4 W8 O32 (m=4) and Nax P4 W12 O44 (m=6) _cod_database_code 1001272 ; _database_code_amcsd 0009991 _chemical_formula_sum 'W3 P O11 Na.425' _cell_length_a 23.775 _cell_length_b 5.291 _cell_length_c 6.588 _cell_angle_alpha 90 _cell_angle_beta 93.47 _cell_angle_gamma 90 _cell_volume 827.208 _exptl_crystal_density_diffrn 6.169 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy W1 0.27960 0.24069 0.67190 1.00000 W2 0.40705 0.24121 0.35909 1.00000 W3 0.15480 0.23644 0.99311 1.00000 P1 0.04687 0.22560 0.32610 1.00000 O1 0.25410 0.52550 0.53000 1.00000 O2 0.34680 0.23080 0.51000 1.00000 O3 0.32210 0.45350 0.86600 1.00000 O4 0.31160 0.95480 0.82300 1.00000 O5 0.08190 0.25900 0.14000 1.00000 O6 0.44640 0.45880 0.58900 1.00000 O7 0.43930 -0.06670 0.51400 1.00000 O8 0.21510 0.23950 0.82800 1.00000 O9 0.11030 0.02190 0.78900 1.00000 O10 0.11900 0.52260 0.83600 1.00000 O11 0.48520 0.23180 0.24800 1.00000 Na1 0.50860 0.21500 0.86200 0.42500 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 W1 0.00403 0.00356 0.00407 0.00015 0.00013 -0.00040 W2 0.00349 0.00354 0.00300 -0.00005 -0.00007 -0.00007 W3 0.00360 0.00334 0.00335 -0.00008 0.00042 -0.00012