#------------------------------------------------------------------------------ #$Date: 2010-03-31 16:32:11 +0300 (Wed, 31 Mar 2010) $ #$Revision: 1063 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000462.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_1000462 _chemical_name_systematic 'Tetracaesium cobalt tetrachromium fluoride' _chemical_formula_structural 'Cs4 Co Cr4 F18.24' _chemical_formula_sum 'Co Cr4 Cs4 F18.24' _publ_section_title ; Structures of cesium containing fluorides, VI:The pyrochlore-related layer structures of Cs4 Co Cr4 F18 and Cs4 Cr5 F18+x ; loop_ _publ_author_name 'Courbion, G' 'de Pape, R' 'Knoke, G' 'Babel, D' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 49 _journal_year 1983 _journal_page_first 353 _journal_page_last 361 _cell_length_a 7.203 _cell_length_b 7.203 _cell_length_c 10.761 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 483.5 _cell_formula_units_Z 1 _exptl_crystal_density_meas 3.87 _symmetry_space_group_name_H-M 'P -3 m 1' _symmetry_Int_Tables_number 164 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'x,x-y,z' 'y-x,y,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-z' 'y,x,-z' '-x,y-x,-z' 'x-y,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Cs1+ 1.000 Cr3+ 3.000 Co2+ 2.000 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 Cs1 Cs1+ 2 c 0. 0. 0.22510(11) 1. 0 d Cs2 Cs1+ 2 d 0.3333 0.6667 0.37383(8) 1. 0 d Cr1 Cr3+ 2 d 0.3333 0.6667 0.71764(13) 1. 0 d Cr2 Cr3+ 3 e 0.5 0. 0. 0.667 0 d Co1 Co2+ 3 e 0.5 0. 0. 0.333 0 d F1 F1- 6 i 0.20494(27) -0.20494(27) 0.03863(33) 1. 0 d F2 F1- 6 i 0.54091(25) -0.54091(25) 0.17336(31) 1. 0 d F3 F1- 6 i 0.79331(30) -0.79331(30) 0.37813(35) 1. 0 d F4 F1- 1 b 0. 0. 0.5 0.24 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 Cs1 0.0415(3) 0.0208(2) 0. 0.0415(3) 0. 0.0741(7) Cs2 0.0690(4) 0.0345(2) 0. 0.0690(4) 0. 0.0256(4) Cr1 0.0157(4) 0.0078(2) 0. 0.0157(4) 0. 0.0114(6) Cr2 0.0104(3) 0.0037(2) -0.0021(8) 0.0075(4) -0.0010(4) 0.0167(5) Co1 0.0104(3) 0.0037(2) -0.0021(8) 0.0075(4) -0.0010(4) 0.0167(5) F1 0.0185(10) 0.0048(12) 0.0043(8) 0.0185(10) -0.0043(8) 0.0332(17) F2 0.0337(13) 0.0272(15) -0.0009(7) 0.0337(13) 0.0009(7) 0.0221(15) F3 0.0466(15) 0.0329(17) 0.0005(8) 0.0466(15) -0.0005(8) 0.0303(18) _refine_ls_R_factor_all 0.041 _cod_database_code 1000462