#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/01/1000162.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_1000162 loop_ _publ_author_name 'Hardy, A M' 'Hardy, A M' 'Ferey, G' _publ_section_title ; Structure cristalline du bronze pseudo-quadratique K~0.6~ Fe F~3~: Transition pyrochlore-quadratique pour les composes K M M'~6~ ; _journal_coden_ASTM ACBCAR _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_page_first 1654 _journal_page_last 1658 _journal_paper_doi 10.1107/S0567740873005200 _journal_volume 29 _journal_year 1973 _chemical_formula_structural 'K0.6 Fe F3' _chemical_formula_sum 'F3 Fe K0.6' _chemical_name_systematic 'Potassium iron fluoride (0.6/1/3)' _space_group_IT_number 32 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 32 _symmetry_space_group_name_Hall 'P 2 -2ab' _symmetry_space_group_name_H-M 'P b a 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 10 _cell_length_a 12.750(2) _cell_length_b 12.637(2) _cell_length_c 3.986(2) _cell_volume 642.2 _exptl_crystal_density_meas 3.49(2) _refine_ls_R_factor_all 0.107 _[local]_cod_chemical_formula_sum_orig 'F3 Fe K.6' _cod_database_code 1000162 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z 1/2-x,1/2+y,z 1/2+x,1/2-y,z 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 Fe2+ 2 b 0. 0.5 0.501(9) 1. 0 d Fe2 Fe2+ 4 c 0.0763(4) 0.2135(4) 0.541(7) 1. 0 d Fe3 Fe2+ 4 c 0.7864(4) 0.0763(4) 0.541(7) 1. 0 d K1 K1+ 2 a 0. 0. 0. 1. 0 d K2 K1+ 4 c 0.1729(9) 0.6729(9) 0.008(11) 1. 0 d F1 F1- 2 b 0. 0.5 0.030(61) 1. 0 d F2 F1- 4 c 0.0734(18) 0.2067(18) 0.041(23) 1. 0 d F3 F1- 4 c 0.2785(14) 0.7783(14) 0.549(19) 1. 0 d F4 F1- 4 c 0.7935(17) 0.0734(18) 0.043(22) 1. 0 d F5 F1- 4 c 0.3502(14) 0.0065(13) 0.580(12) 1. 0 d F6 F1- 4 c 0.9934(13) 0.3497(14) 0.580(12) 1. 0 d F7 F1- 4 c 0.1372(15) 0.0728(14) 0.527(18) 1. 0 d F8 F1- 4 c 0.9281(14) 0.1374(15) 0.529(18) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Fe2+ 2.400 K1+ 1.000 F1- -1.000