#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1004086.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_1004086 _chemical_name_systematic 'Bismuth lead oxyfluoride' _chemical_formula_structural 'Bi Pb O2 F' _chemical_formula_sum 'Bi F O2 Pb' _publ_section_title ; Electrical Properties and High Temperature Crystal Structure of the Bismuth Lead Oxyfluoride: Bi Pb O~2~ F ; loop_ _publ_author_name 'Follet=Houttemane, C' 'Canonne, J' 'Boivin, J C' 'Champarnaud=Mesjard, J C' 'Mercurio, D' 'Frit, B' _journal_name_full 'Solid State Ionics' _journal_coden_ASTM SSIOD3 _journal_volume 28 _journal_year 1988 _journal_page_first 458 _journal_page_last 464 _cell_length_a 4.101(4) _cell_length_b 4.101(4) _cell_length_c 6.066(4) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 88.4 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'P -3 m 1' _symmetry_Int_Tables_number 164 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'x,x-y,z' 'y-x,y,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-z' 'y,x,-z' '-x,y-x,-z' 'x-y,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Pb2+ 2.000 O2- -2.000 F1- -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 Bi1 Bi3+ 2 d 0.3333 0.6667 0.2662(3) 0.5 0 d Pb1 Pb2+ 2 d 0.3333 0.6667 0.2662(3) 0.5 0 d O1 O2- 6 i 0.2605(50) 0.521(5) 0.6352(70) 0.333 0 d F1 F1- 6 g 0.068(30) 0. 0. 0.117 0 d F2 F1- 2 c 0. 0. 0.373(30) 0.15 0 d _refine_ls_R_factor_all 0.039 _cod_database_code 1004086