#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/02/1000206.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_1000206 loop_ _publ_author_name 'Leblanc, M' 'Ferey, G' 'Pape, R' _publ_section_title ; Room-Temperature Structure of Ammonium Tetrafluorate(III), N H~4~ (Fe F~4~) ; _journal_coden_ASTM ACSCEE _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_page_first 657 _journal_page_last 660 _journal_volume 41 _journal_year 1985 _chemical_formula_structural 'N H4 (Fe F4)' _chemical_formula_sum 'F4 Fe H4 N' _chemical_name_systematic 'Ammonium tetrafluoroferrate(III)' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 7.559(4) _cell_length_b 7.575(4) _cell_length_c 12.754(8) _cell_volume 730.3 _refine_ls_R_factor_all 0.026 _cod_original_formula_sum 'H4 F4 Fe N' _cod_database_code 1000206 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,1/2-z -x,1/2+y,-z 1/2-x,-y,1/2+z -x,-y,-z 1/2-x,1/2+y,1/2+z x,1/2-y,z 1/2+x,y,1/2-z 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 Fe1 0.0076(7) -0.0003(3) .0000(3) 0.0084(23) 0.0002(3) 0.0114(23) Fe2 0.0066(7) -0.0001(3) -0.0001(3) 0.0044(48) 0.0002(2) 0.0108(22) F1 0.0244(20) 0. 0.0089(24) 0.0076(19) 0. 0.0368(23) F2 0.0085(11) 0.0090(14) 0.0004(13) 0.0200(12) -0.0036(1) 0.0350(15) F3 0.0180(17) 0. 0.0060(21) 0.0065(19) 0. 0.0367(25) F4 0.0269(15) -0.0056(15) -0.0049(17) 0.0296(17) -0.0010(1) 0.0171(19) F5 0.0261(15) -0.0026(15) -0.0037(15) 0.0288(17) 0.0033(1) 0.0103(17) N1 0.0350(38) 0. -0.0068(32) 0.0262(34) 0. 0.0157(36) N2 0.0193(37) 0. -0.0017(33) 0.0249(34) 0. 0.0254(42) 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. 0. 0. 1. 0 d Fe2 Fe3+ 4 b 0. 0. 0.5 1. 0 d F1 F1- 4 c 0.0364(6) 0.25 -0.0309(4) 1. 0 d F2 F1- 8 d 0.2501(3) 0.0047(4) 0.4695(3) 1. 0 d F3 F1- 4 c 0.4492(6) 0.25 0.0187(3) 1. 0 d F4 F1- 8 d 0.0484(5) 0.0352(5) 0.1418(3) 1. 0 d F5 F1- 8 d 0.0360(4) 0.0331(5) 0.6438(3) 1. 0 d N1 N3- 4 c 0.2880(9) 0.25 0.2562(7) 1. 0 d N2 N3- 4 c 0.2747(7) 0.25 0.7594(6) 1. 0 d H1 H1+ 32 ? -1. -1. -1. 1. 0 dum loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 F1- -1.000 N3- -3.000 H1+ 1.000