#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1008349.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_1008349 _chemical_name_systematic 'Caesium triytterbium decafluoride' _chemical_formula_structural 'Cs Yb3 F10' _chemical_formula_sum 'Cs F10 Yb3' _publ_section_title ; Etude par diffraction neutronique de la phase Cs~4-x~ Yb~12~ F~40-x~ (0 <= X <=1): Hypothese Structurale. ; loop_ _publ_author_name 'Aleonard, S' 'Lambert, B' 'Pannetier, J' 'Gorius, M F' 'Roux, M T' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 58 _journal_year 1985 _journal_page_first 226 _journal_page_last 232 _cell_length_a 7.999(5) _cell_length_b 7.999(5) _cell_length_c 17.078(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 946.3 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 63 m c' _symmetry_Int_Tables_number 186 _symmetry_cell_setting hexagonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'y-x,y,z' 'x,x-y,z' '-x,-y,1/2+z' 'y,y-x,1/2+z' 'x-y,x,1/2+z' 'y,x,1/2+z' 'x-y,-y,1/2+z' '-x,y-x,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Yb3+ 3.000 Cs1+ 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 Yb1 Yb3+ 6 c 0.5117(3) -0.5117(3) 0.0025(4) 1. 0 d Yb2 Yb3+ 6 c 0.5055(4) -0.5055(4) 0.2523(4) 1. 0 d Cs1 Cs1+ 2 a 0. 0. 0.3668(14) 1. 0 d Cs2 Cs1+ 2 a 0. 0. 0.1320(23) 1. 0 d F1 F1- 6 c 0.5006(16) -0.5006(16) 0.3769(15) 1. 0 d F2 F1- 6 c 0.5185(8) -0.5185(8) 0.1257(10) 1. 0 d F3 F1- 6 c 0.2133(7) -0.2133(7) 0.0011(11) 1. 0 d F4 F1- 6 c 0.1645(6) -0.1645(6) 0.4988(9) 1. 0 d F5 F1- 6 c 0.8303(11) -0.8303(11) 0.2449(8) 1. 0 d F6 F1- 6 c 0.2214(10) -0.2214(10) 0.2459(11) 1. 0 d F7 F1- 2 b 0.3333 0.6667 0.4796(15) 1. 0 d F8 F1- 2 b 0.3333 0.6667 0.7858(9) 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 Yb1 0.0067(13) 0.0056(16) 0.0021(10) 0.0067(21) -0.0021(10) 0.0085(21) Yb2 0.0070(13) 0.0026(17) 0.0005(5) 0.0070(13) -0.0005(5) 0.0034(19) Cs1 0.0418(127) 0.0209(63) 0. 0.0418(127) 0. 0.0066(137) Cs2 0.0298(92) 0.0149(46) 0. 0.0298(92) 0. 0.0001(70) F1 0.0587(57) 0.0399(64) 0.0052(14) 0.0587(57) -0.0052(14) 0.0059(47) F2 0.0558(49) 0.0285(55) -0.0058(30) 0.0558(49) 0.0058(30) 0.0042(42) F3 0.0036(21) -0.0034(26) 0.0008(29) 0.0036(21) -0.0008(29) 0.0468(52) F4 0.0140(37) 0.0076(37) -0.0098(25) 0.0140(37) 0.0098(25) 0.0441(74) F5 0.0068(34) 0.0019(39) -0.0003(18) 0.0068(34) 0.0003(18) 0.0498(75) F6 0.0226(44) 0.0147(51) 0.0012(25) 0.0226(44) -0.0012(25) 0.0690(92) F7 0.0010(28) 0.0005(14) 0. 0.0010(28) 0. 0.0821(326) F8 0.0312(54) 0.0156(27) 0. 0.0312(54) 0. 0.0001(48) _refine_ls_R_factor_all 0.0538