#------------------------------------------------------------------------------ #$Date: 2016-04-17 23:23:18 +0300 (Sun, 17 Apr 2016) $ #$Revision: 182183 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/01/1000151.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_1000151 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 9.7426(3) _cell_length_b 5.6157(2) _cell_length_c 11.8877(3) _cell_volume 650.4 _refine_ls_R_factor_all 0.029 _cod_database_code 1000151 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_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 Ba1 0.0161(27) 0. -0.0037(20) 0.0062(23) 0. 0.0064(22) Ba2 0.0125(26) 0. -0.0069(20) 0.0125(23) 0. 0.0057(22) Zr1 0.0146(22) 0. 0.0001(20) 0.0088(15) 0. 0.0115(16) F1 0.0181(16) 0.0059(14) -0.0013(16) 0.0131(15) -0.0018(21) 0.0163(16) F2 0.0211(18) 0.0031(20) 0.0079(15) 0.0142(19) 0.0014(18) 0.0183(19) F3 0.0331(21) -0.0184(16) 0.0066(17) 0.0205(20) 0.0004(18) 0.0183(18) F4 0.0349(30) 0. 0.0075(27) 0.0147(27) 0. 0.0104(26) F5 0.0160(27) 0. -0.0028(24) 0.0204(34) 0. 0.0168(30) 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 0.8618(6) 0.25 0.9402(4) 1. 0 d Ba2 Ba2+ 4 c 0.4449(5) 0.25 0.1607(4) 1. 0 d Zr1 Zr4+ 4 c 0.2428(4) 0.25 0.8594(3) 1. 0 d F1 F1- 8 d 0.0941(3) 0.5124(7) 0.8640(3) 1. 0 d F2 F1- 8 d 0.1423(4) 0.9856(7) 0.4636(3) 1. 0 d F3 F1- 8 d 0.3438(4) 0.4872(7) 0.7546(3) 1. 0 d F4 F1- 4 c 0.1476(6) 0.25 0.0282(4) 1. 0 d F5 F1- 4 c 0.1381(5) 0.25 0.6937(4) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Zr4+ 4.000 F1- -1.000