#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/16/1001694.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_1001694 loop_ _publ_author_name 'Hervieu, M' 'Pelloquin, D' 'Michel, C' 'Caldes, M T' 'Raveau, B' _publ_section_title ; The ferrites Bi(n+1) Sr2(n+2) Ba(n-1) Fe(n+1) O6(n+4): a series of intergrowths of the 2201 and 0201 structures ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 227 _journal_page_last 240 _journal_paper_doi 10.1006/jssc.1995.1338 _journal_volume 118 _journal_year 1995 _chemical_formula_structural '(Bi3 Ba) Sr6 Fe3 O16' _chemical_formula_sum 'Ba Bi3 Fe3 O16 Sr6' _chemical_name_systematic ; Bismuth barium strontium iron oxide (3/1/6/3/16) ; _space_group_IT_number 139 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 139 _symmetry_space_group_name_Hall '-I 4 2' _symmetry_space_group_name_H-M 'I 4/m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 3.837(1) _cell_length_b 3.837(1) _cell_length_c 61.15999(1000) _cell_volume 900.4 _refine_ls_R_factor_all 0.111 _cod_database_code 1001694 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x,y,z x,-y,z -y,x,z y,-x,z y,x,z -y,-x,z -x,-y,-z x,y,-z x,-y,-z -x,y,-z y,-x,-z -y,x,-z -y,-x,-z y,x,-z 1/2+x,1/2+y,1/2+z 1/2-x,1/2-y,1/2+z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2+z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z 1/2+y,1/2+x,1/2+z 1/2-y,1/2-x,1/2+z 1/2-x,1/2-y,1/2-z 1/2+x,1/2+y,1/2-z 1/2+x,1/2-y,1/2-z 1/2-x,1/2+y,1/2-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2-z 1/2-y,1/2-x,1/2-z 1/2+y,1/2+x,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 Bi1 Bi3+ 4 e 0. 0. 0.5746(1) 0.75 0 d Ba1 Ba2+ 4 e 0. 0. 0.5746(1) 0.25 0 d Bi2 Bi3+ 4 e 0. 0. 0.1219(1) 0.75 0 d Ba2 Ba2+ 4 e 0. 0. 0.1219(1) 0.25 0 d Sr1 Sr2+ 4 e 0. 0. 0.0305(2) 1. 0 d Sr2 Sr2+ 4 e 0. 0. 0.6666(2) 1. 0 d Sr3 Sr2+ 4 e 0. 0. 0.7271(3) 1. 0 d Fe1 Fe3+ 2 b 0. 0. 0.5 1. 0 d Fe2 Fe3+ 4 e 0. 0. 0.1975(3) 1. 0 d O1 O2- 4 c 0. 0.5 0. 1. 0 d O2 O2- 4 e 0. 0. 0.5374(12) 1. 0 d O3 O2- 4 e 0. 0. 0.0746(1) 1. 0 d O4 O2- 4 e 0. 0. 0.6219(1) 1. 0 d O5 O2- 4 e 0. 0. 0.1588(10) 1. 0 d O6 O2- 8 g 0. 0.5 0.1975(3) 1. 0 d O7 O2- 4 e 0. 0. 0.2311(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Ba2+ 2.000 Sr2+ 2.000 Fe3+ 3.000 O2- -2.000