#------------------------------------------------------------------------------ #$Date: 2016-04-17 21:23:18 +0100 (Sun, 17 Apr 2016) $ #$Revision: 182183 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/01/1000150.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_1000150 loop_ _publ_author_name 'Le Bail, A.' 'Laval, J.-P.' _publ_section_title ; Synthesis and crystal structure of \a-Ba~2~ZrF~8~ and Pb~2~ZrF~8~ determined ab initio from synchrotron and neutron powder diffraction data ; _journal_coden_ASTM EJSCE5 _journal_issue 4-5 _journal_name_full ; European Journal of Solid State and Inorganic Chemistry ; _journal_page_first 357 _journal_page_last 372 _journal_paper_doi 10.1016/S0992-4361(98)80432-3 _journal_volume 35 _journal_year 1998 _chemical_formula_structural 'Ba2 Zr F8' _chemical_formula_sum 'Ba2 F8 Zr' _chemical_name_systematic 'Dibarium zirconium fluoride - \a' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.7401(1) _cell_length_b 5.6147(1) _cell_length_c 11.8871(1) _cell_volume 650.1 _refine_ls_R_factor_all 0.047 _cod_database_code 1000150 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,1/2-z -x,1/2+y,-z 1/2-x,-y,1/2+z -x,-y,-z 1/2-x,1/2+y,1/2+z x,1/2-y,z 1/2+x,y,1/2-z 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 Ba1 Ba2+ 4 c 0.8612(2) 0.25 0.9406(2) 1. 0 d Ba2 Ba2+ 4 c 0.4463(2) 0.25 0.1608(2) 1. 0 d Zr1 Zr4+ 4 c 0.2429(2) 0.25 0.8593(2) 1. 0 d F1 F1- 8 d 0.0970(8) 0.5096(13) 0.8579(7) 1. 0 d F2 F1- 8 d 0.1476(8) 0.9868(12) 0.4637(6) 1. 0 d F3 F1- 8 d 0.3402(8) 0.4741(13) 0.7529(6) 1. 0 d F4 F1- 4 c 0.1474(12) 0.25 0.0252(8) 1. 0 d F5 F1- 4 c 0.1369(12) 0.25 0.6881(7) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Zr4+ 4.000 F1- -1.000