#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/1/1001336.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1001336 _chemical_name_systematic 'Phosphorus tungsten oxide (1/4/14)' _chemical_formula_structural 'P W4 O14' _chemical_formula_sum 'O14 P W4' _publ_section_title ; Monophosphate tungsten bronzes with pentagonal tunnels (P O~2~)~4~ (W O~3~)~2m~: Structure of two even-m members P~4~ W~12~ O~44~ (m=6) and P~4~ W~16~ O~56~ (m=8) ; loop_ _publ_author_name 'Labbe, P' 'Goreaud, M' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 61 _journal_year 1986 _journal_page_first 324 _journal_page_last 331 _cell_length_a 5.2943(5) _cell_length_b 6.5534(4) _cell_length_c 29.700(4) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1030.5 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 21 21 21' _symmetry_Int_Tables_number 19 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,-y,1/2+z' '1/2+x,1/2-y,-z' '-x,1/2+y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number W6+ 5.750 P5+ 5.000 O2- -2.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag W1 W6+ 4 a 0.2567(3) 0.4119(1) 0.02580(3) 1. 0 d W2 W6+ 4 a 0.2601(3) 0.0696(1) 0.12794(2) 1. 0 d W3 W6+ 4 a 0.7531(3) 0.7440(1) 0.07507(2) 1. 0 d W4 W6+ 4 a 0.7548(3) 0.4097(1) 0.17830(2) 1. 0 d P1 P5+ 4 a 0.734(1) 0.2163(6) 0.2866(1) 1. 0 d O1 O2- 4 a 0.256(5) 0.245(2) 0.0797(4) 1. 0 d O2 O2- 4 a 0.240(5) 0.075(2) 0.3708(5) 1. 0 d O3 O2- 4 a 0.241(5) 0.420(2) 0.4736(5) 1. 0 d O4 O2- 4 a 0.767(4) 0.280(2) 0.2378(4) 1. 0 d O5 O2- 4 a 0.754(7) 0.409(3) 0.3153(6) 1. 0 d O6 O2- 4 a 0.042(3) 0.225(3) -0.0038(6) 1. 0 d O7 O2- 4 a 0.480(3) 0.264(3) 0.1616(6) 1. 0 d O8 O2- 4 a -0.052(4) 0.074(3) 0.2995(7) 1. 0 d O9 O2- 4 a 0.456(3) 0.440(3) 0.3909(5) 1. 0 d O10 O2- 4 a 0.030(4) 0.056(3) 0.4519(6) 1. 0 d O11 O2- 4 a -0.026(4) 0.222(3) 0.1548(6) 1. 0 d O12 O2- 4 a 0.471(4) 0.118(3) 0.2914(7) 1. 0 d O13 O2- 4 a -0.041(3) 0.386(3) 0.3979(6) 1. 0 d O14 O2- 4 a 0.536(4) 0.108(3) 0.4442(6) 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 W1 0.0106(2) 0.0007(5) -0.0005(5) 0.0088(2) 0.0024(2) 0.0067(2) W2 0.0071(3) 0.0018(4) .0000(4) 0.0060(2) 0.0017(2) 0.0062(2) W3 0.0097(2) 0.0008(6) .0000(6) 0.0080(2) 0.0024(2) 0.0063(2) W4 0.0057(2) 0.0004(5) 0.0001(4) 0.0047(2) 0.0004(2) 0.0038(2) _refine_ls_R_factor_all 0.043