#------------------------------------------------------------------------------ #$Date: 2012-02-28 14:14:52 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35911 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/04/1000439.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_1000439 _chemical_name_systematic 'Rubidium tetrafluoroferrate(III)' _chemical_formula_structural 'Rb (Fe F4)' _chemical_formula_sum 'F4 Fe Rb' _publ_section_title ; Structural phase transitions in Rb Fe F4: I.Powder and single crystal X- ray diffraction study of the room temperature phase ; loop_ _publ_author_name 'Moron, M C' 'Bulou, A' 'Pique, C' 'Fourquet, J L' _journal_name_full 'Journal of Physics: Condensed Matter' _journal_coden_ASTM JCOMEL _journal_volume 2 _journal_year 1990 _journal_page_first 8269 _journal_page_last 8275 _cell_length_a 7.6651(13) _cell_length_b 7.6316(15) _cell_length_c 6.2789(6) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 367.3 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P m a b' _symmetry_Int_Tables_number 57 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,-y,-z' '-x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,y,z' 'x,1/2+y,-z' '1/2+x,1/2-y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 Rb1+ 1.000 F1- -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. 0. 0. 1. 0 d Rb1 Rb1+ 4 d 0.25 0.2824(2) 0.5136(5) 1. 0 d F1 F1- 4 c 0. 0.25 -0.0711(22) 1. 0 d F2 F1- 4 d 0.25 -0.0093(10) -0.0630(22) 1. 0 d F3 F1- 8 e 0.0410(9) 0.0497(9) 0.2889(9) 1. 0 d _refine_ls_R_factor_all 0.065 _cod_database_code 1000439