#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000359.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_1000359 _chemical_name_systematic 'Ammonium iron(III) phosphate fluoride' _chemical_formula_structural '(N H4) Fe (P O4) F' _chemical_formula_sum 'F Fe H4 N O4 P' _[local]_cod_chemical_formula_sum_orig 'H4 F Fe N O4 P' _publ_section_title ; NH~4~FePO~4~F: structural study and magnetic properties ; loop_ _publ_author_name 'Loiseau, Th' 'Calage, Y' 'Lacorre, P' 'Ferey, G' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 111 _journal_year 1994 _journal_page_first 390 _journal_page_last 396 _cell_length_a 12.993(3) _cell_length_b 6.468(1) _cell_length_c 10.640(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 894.2 _cell_formula_units_Z 8 _symmetry_space_group_name_H-M 'P n a 21' _symmetry_Int_Tables_number 33 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,1/2+z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 P5+ 5.000 F1- -1.000 O2- -2.000 N3- -3.000 H1+ 1.000 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 Fe1 Fe3+ 4 a 0.3868(1) 0.4911(2) 0.0007(3) 1. 0 d Fe2 Fe3+ 4 a 0.2471(1) 0.253 0.2508 1. 0 d P1 P5+ 4 a 0.5015(2) 0.3289(1) 0.2498(3) 1. 0 d P2 P5+ 4 a 0.1841(1) 0.4994(3) 0.5035(4) 1. 0 d F1 F1- 4 a 0.2748(4) 0.4717(8) 0.1298(5) 1. 0 d F2 F1- 4 a 0.2279(4) 0.0327(9) 0.3801(5) 1. 0 d O1 O2- 4 a 0.4867(5) 0.4729(11) 0.1355(5) 1. 0 d O2 O2- 4 a 0.5168(5) 0.4686(11) 0.3659(5) 1. 0 d O3 O2- 4 a 0.4037(3) 0.2024(7) 0.2694(6) 1. 0 d O4 O2- 4 a 0.5964(3) 0.1893(7) 0.2304(6) 1. 0 d O5 O2- 4 a 0.1164(4) 0.3098(6) 0.5320(5) 1. 0 d O6 O2- 4 a 0.1166(5) 0.6904(7) 0.4756(6) 1. 0 d O7 O2- 4 a 0.2538(4) 0.5487(11) 0.6163(6) 1. 0 d O8 O2- 4 a 0.2552(4) 0.4570(11) 0.3889(5) 1. 0 d N1 N3- 4 a 0.3897(4) 0.7825(6) 0.3131(5) 1. 4 d N2 N3- 4 a 0.0996(3) 0.6780(7) 0.0646(5) 1. 4 d H1 H1+ 4 a 0.393(5) 0.910(3) 0.327(7) 1. 0 d H2 H1+ 4 a 0.390(5) 0.761(11) 0.235(2) 1. 0 d H3 H1+ 4 a 0.335(3) 0.733(10) 0.344(6) 1. 0 d H4 H1+ 4 a 0.441(3) 0.724(10) 0.346(6) 1. 0 d H5 H1+ 4 a 0.132(5) 0.672(11) .000(3) 1. 0 d H6 H1+ 4 a 0.117(5) 0.584(8) 0.110(6) 1. 0 d H7 H1+ 4 a 0.039(1) 0.666(11) 0.050(7) 1. 0 d H8 H1+ 4 a 0.110(5) 0.785(6) 0.099(6) 1. 0 d _refine_ls_R_factor_all 0.024