#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1008837.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_1008837 _chemical_name_systematic 'Potassium diholmium fluoride' _chemical_formula_structural 'K Ho2 F7' _chemical_formula_sum 'F7 Ho2 K' _publ_section_title ; Structure des phases de type $-alpha - K Er2 F7 ; loop_ _publ_author_name 'le=Fur, Y' 'Aleonard, S' 'Gorius, M F' 'Roux, M T' _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_coden_ASTM ACBCAR _journal_volume 38 _journal_year 1982 _journal_page_first 1431 _journal_page_last 1436 _cell_length_a 14.287(6) _cell_length_b 8.004(3) _cell_length_c 11.950(4) _cell_angle_alpha 90 _cell_angle_beta 125.33(3) _cell_angle_gamma 90 _cell_volume 1114.9 _cell_formula_units_Z 8 _symmetry_space_group_name_H-M 'C 1 m 1' _symmetry_Int_Tables_number 8 _symmetry_cell_setting monoclinic 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_type_symbol _atom_type_oxidation_number Ho3+ 3.000 K1+ 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 Ho1 Ho3+ 4 b 0.4869(2) 0.24044(7) 0. 1. 0 d Ho2 Ho3+ 2 a 0.75 0. 0.6814(4) 1. 0 d Ho3 Ho3+ 4 b 0.9926(3) 0.7623(2) 0.6819(3) 1. 0 d Ho4 Ho3+ 4 b 0.4877(3) 0.2633(2) 0.3182(2) 1. 0 d Ho5 Ho3+ 2 a 0.2315(1) 0. 0.3239(3) 1. 0 d K1 K1+ 2 a 0.2195(5) 0. 0.6553(7) 1. 0 d K2 K1+ 2 a 0.2532(5) 0. 0.0131(9) 1. 0 d K3 K1+ 2 a 0.2538(9) 0.5 0.3507(9) 1. 0 d K4 K1+ 2 a 0.2289(9) 0.5 -0.0288(9) 1. 0 d F1 F1- 4 b 0.095(1) 0.239(2) 0.919(1) 1. 0 d F2 F1- 4 b 0.392(1) 0.270(2) 0.089(2) 1. 0 d F3 F1- 4 b 0.112(1) 0.232(1) 0.244(1) 1. 0 d F4 F1- 2 a 0.391(2) 0.5 0.253(2) 1. 0 d F5 F1- 2 a 0.388(2) 0. 0.936(1) 1. 0 d F6 F1- 2 a 0.374(1) 0.5 0.613(1) 1. 0 d F7 F1- 4 b 0.151(2) 0.331(2) 0.501(2) 1. 0 d F8 F1- 4 b 0.377(1) 0.261(2) 0.774(1) 1. 0 d F9 F1- 2 a 0.099(1) 0. 0.376(2) 1. 0 d F10 F1- 2 a 0.102(1) 0.5 0.085(1) 1. 0 d F11 F1- 4 b 0.327(1) 0.165(2) 0.502(2) 1. 0 d F12 F1- 4 b 0.169(1) 0.327(2) 0.739(2) 1. 0 d F13 F1- 4 b 0.321(1) 0.169(2) 0.258(1) 1. 0 d F14 F1- 2 a 0.488(1) 0. 0.254(2) 1. 0 d F15 F1- 2 a 0.499(1) 0. 0.731(1) 1. 0 d F16 F1- 4 b 0.489(2) 0.321(1) 0.498(3) 1. 0 d F17 F1- 2 a 0.389(1) 0.5 0.907(2) 1. 0 d F18 F1- 2 a 0.101(2) 0. 0.753(3) 1. 0 d F19 F1- 2 a 0.101(1) 0. 0.081(2) 1. 0 d _refine_ls_R_factor_all 0.033