#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/04/1530471.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_1530471 loop_ _publ_author_name 'Murchie, M.' 'Passmore, J.' 'White, P.S.' _publ_section_title ; The characterization and X-ray crystal structure of pentabromodiselenium hexafluoroarsenate, Se2 Br5 As F6. Some thermodynamic considerations and the nonexistence of Se2 I5 As F6 ; _journal_name_full 'Canadian Journal of Chemistry' _journal_page_first 1584 _journal_page_last 1593 _journal_volume 65 _journal_year 1987 _chemical_formula_sum 'As Br5 F6 Se2' _chemical_name_systematic '(Br (Se Br2)2) (As F6)' _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 9 _cell_length_a 13.367 _cell_length_b 13.367 _cell_length_c 19 _cell_volume 2940.032 _citation_journal_id_ASTM CJCHAG _cod_data_source_file Murchie_CJCHAG_1987_1414.cif _cod_data_source_block As1Br5F6Se2 _cod_original_formula_sum 'As1 Br5 F6 Se2' _cod_database_code 1530471 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z -x+y,-x,z -x,-y,-z y,-x+y,-z x-y,x,-z x+2/3,y+1/3,z+1/3 -y+2/3,x-y+1/3,z+1/3 -x+y+2/3,-x+1/3,z+1/3 -x+2/3,-y+1/3,-z+1/3 y+2/3,-x+y+1/3,-z+1/3 x-y+2/3,x+1/3,-z+1/3 x+1/3,y+2/3,z+2/3 -y+1/3,x-y+2/3,z+2/3 -x+y+1/3,-x+2/3,z+2/3 -x+1/3,-y+2/3,-z+2/3 y+1/3,-x+y+2/3,-z+2/3 x-y+1/3,x+2/3,-z+2/3 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Br3 Br-1 0.7468 0.0738 0.38199 1 0.0 F1 F-1 0 0 0.2066 1 0.0 F5 F-1 0.083 0.154 0.294 0.333 0.0 F6 F-1 -0.076 0.067 0.285 0.333 0.0 Br2 Br-1 0.723 -0.2155 0.43697 1 0.0 F2 F-1 0 0 0.3868 1 0.0 As2 As+5 0 0 0 1 0.0 As1 As+5 0 0 0.2955 1 0.0 F7 F-1 0.7863 0.3762 0.3854 1 0.0 Br1 Br 0.5 0 0.5 1 0.0 F3 F-1 -0.002 0.126 0.302 0.333 0.0 Se1 Se+2 0.7178 0.1438 0.48394 1 0.0 F4 F-1 0.139 0.133 0.28 0.333 0.0