#------------------------------------------------------------------------------ #$Date: 2025-01-14 08:08:32 +0000 (Tue, 14 Jan 2025) $ #$Revision: 297310 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/82/1008211.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_1008211 loop_ _publ_author_name 'Levy, J. H.' 'Taylor, J. C.' 'Waugh, A. B.' _publ_section_title ; Neutron powder structural studies of U F~6~, Mo F~6~ and W F~6~ at 77 K ; _journal_coden_ASTM JFLCAR _journal_name_full 'Journal of Fluorine Chemistry' _journal_page_first 29 _journal_page_last 36 _journal_paper_doi 10.1016/S0022-1139(00)81276-2 _journal_volume 23 _journal_year 1983 _chemical_formula_structural 'U F6' _chemical_formula_sum 'F6 U' _chemical_name_systematic 'Uranium(VI) hexafluoride' _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 9.654(3) _cell_length_b 8.776(4) _cell_length_c 5.084(3) _cell_volume 430.7 _refine_ls_R_factor_all 0.058 _cod_database_code 1008211 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 U1 U6+ 4 c 0.1306(7) 0.25 0.075 1. 0 d F1 F1- 4 c 0.0054(13) 0.25 -0.2417(20) 1. 0 d F2 F1- 4 c 0.2518(13) 0.25 0.3915(52) 1. 0 d F3 F1- 8 d 0.0049(9) 0.0854(10) 0.2326(14) 1. 0 d F4 F1- 8 d 0.2508(8) 0.0851(18) -0.0758(57) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number U6+ 6.000 F1- -1.000 loop_ _cod_changelog_entry_id _cod_changelog_entry_author _cod_changelog_entry_date _cod_changelog_entry_text 1 'Vaitkus, Antanas' 2025-01-14T10:06:05+02:00 ; Updated bibliographic information. Updated the '_chemical_name_systematic' data item value. ;