#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000466.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_1000466 _chemical_name_systematic 'Hexaaquairon hexafluorostannate' _chemical_formula_structural '(Fe (H2 O)6) (Sn F6)' _chemical_formula_sum 'H12 F6 Fe O6 Sn' _publ_section_title ; Room-temperature structure of iron(II) hexafluorostannate(IV) hexahydrate ; loop_ _publ_author_name 'Benghalem, A' 'Leblanc, M' 'Calage, Y' _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_coden_ASTM ACSCEE _journal_volume 46 _journal_year 1990 _journal_page_first 2453 _journal_page_last 2454 _cell_length_a 9.826(2) _cell_length_b 9.826(2) _cell_length_c 10.106(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 845.0 _cell_formula_units_Z 3 _exptl_crystal_density_meas 2.34 _symmetry_space_group_name_H-M 'R -3 H' _symmetry_Int_Tables_number 148 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-z' '1/3+x,2/3+y,2/3+z' '2/3+x,1/3+y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '2/3-y,1/3+x-y,1/3+z' '1/3-x+y,2/3-x,2/3+z' '2/3-x+y,1/3-x,1/3+z' '1/3-x,2/3-y,2/3-z' '2/3-x,1/3-y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '2/3+y,1/3-x+y,1/3-z' '1/3+x-y,2/3+x,2/3-z' '2/3+x-y,1/3+x,1/3-z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe2+ 2.000 Sn4+ 4.000 F1- -1.000 O2- -2.000 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 Fe2+ 3 b 0. 0. 0.5 1. 0 d Sn1 Sn4+ 3 a 0. 0. 0. 1. 0 d F1 F1- 18 f 0.1460(2) 0.1718(2) 0.1126(2) 1. 0 d O1 O2- 18 f 0.1840(3) 0.1701(3) 0.3813(2) 1. 0 d H1 H1+ 18 f 0.310(5) 0.223(5) 0.411(4) 1. 0 d H2 H1+ 18 f 0.161(6) 0.151(5) 0.271(4) 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 Fe1 0.0282(2) 0.0141(1) 0. 0.0282(2) 0. 0.0193(3) Sn1 0.0251(1) 0.0125(1) 0. 0.0251(1) 0. 0.0155(1) F1 0.0639(9) 0.0028(7) -0.0084(6) 0.0369(7) -0.0054(6) 0.0284(6) O1 0.0461(8) 0.0129(8) 0.0010(7) 0.076(1) 0.0122(8) 0.0380(8) _refine_ls_R_factor_all 0.029