#------------------------------------------------------------------------------ #$Date: 2014-07-11 15:35:18 +0100 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/82/1008256.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_1008256 _chemical_name_systematic 'URANIUM(V) PENTABROMIDE' _chemical_formula_structural 'U BR5' _chemical_formula_sum 'Br5 U' _publ_section_title ; The crystal structure of uranium pentabromide by powder neutron diffraction ; loop_ _publ_author_name 'Levy, J H' 'Taylor, J C' 'Wilson, P W' _journal_name_full 'Journal of Inorganic and Nuclear Chemistry' _journal_coden_ASTM JINCAO _journal_volume 40 _journal_year 1978 _journal_page_first 1055 _journal_page_last 1057 _cell_length_a 7.449(7) _cell_length_b 10.127(14) _cell_length_c 6.686(4) _cell_angle_alpha 89.25(12) _cell_angle_beta 117.56(4) _cell_angle_gamma 108.87(9) _cell_volume 417.5 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P -1' _symmetry_Int_Tables_number 2 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number U5+ 5.000 Br1- -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 U1 U5+ 2 i 0.224(6) 0.223(4) 0.099(8) 1. 0 d Br1 Br1- 2 i -0.197(6) 0.043(4) 0.052(7) 1. 0 d Br2 Br1- 2 i 0.391(8) 0.163(4) 0.531(8) 1. 0 d Br3 Br1- 2 i 0.002(6) 0.264(4) -0.316(6) 1. 0 d Br4 Br1- 2 i 0.595(8) 0.352(5) 0.121(7) 1. 0 d Br5 Br1- 2 i 0.189(8) 0.445(6) 0.280(6) 1. 0 d _refine_ls_R_factor_all 0.136 _cod_database_code 1008256 _journal_paper_doi 10.1016/0022-1902(78)80507-7