#------------------------------------------------------------------------------ #$Date: 2015-07-13 22:21:15 +0300 (Mon, 13 Jul 2015) $ #$Revision: 150932 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/85/1528538.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_1528538 loop_ _publ_author_name 'Grey, I.E.' 'Vanderah, T.A.' 'Mumme, W.G.' 'Roth, R.S.' 'Bougerol, C.' _publ_section_title ; Chemical twinning of the pyrochlore structure in the system Bi2 O3-Fe2 O3-Nb2 O5 ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 158 _journal_page_last 166 _journal_volume 180 _journal_year 2007 _chemical_formula_sum 'Bi9.32 Fe1.08 Nb16.92 O57.628' _chemical_name_systematic 'Bi9.32 Nb16.92 Fe1.08 O57.628' _space_group_IT_number 166 _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 3 _cell_length_a 7.433 _cell_length_b 7.433 _cell_length_c 77.488 _cell_volume 3707.604 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Grey_JSSCBI_2007_1232.cif _cod_data_source_block Bi9.32Fe1.08Nb16.92O57.628 _cod_database_code 1528538 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z -x+y,-x,z y,x,-z -x,-x+y,-z x-y,-y,-z -x,-y,-z y,-x+y,-z x-y,x,-z -y,-x,z x,x-y,z -x+y,y,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 y+2/3,x+1/3,-z+1/3 -x+2/3,-x+y+1/3,-z+1/3 x-y+2/3,-y+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 -y+2/3,-x+1/3,z+1/3 x+2/3,x-y+1/3,z+1/3 -x+y+2/3,y+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 y+1/3,x+2/3,-z+2/3 -x+1/3,-x+y+2/3,-z+2/3 x-y+1/3,-y+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 -y+1/3,-x+2/3,z+2/3 x+1/3,x-y+2/3,z+2/3 -x+y+1/3,y+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 Nb4 Nb+5 0.8333 0.1667 0.960177 0.94 0.0 Bi4 Bi+3 0.27114 0.63557 0.913095 0.1843 0.0 O3 O-2 0.081 0.5405 0.03386 1 0.0 O5 O-2 0.2546 0.1273 0.04262 1 0.0 Nb1 Nb+5 0.3333 0.6666 0.794061 0.94 0.0 O6 O-2 0.0824 0.5412 0.09406 1 0.0 O11 O-2 0 0 0.3206 0.617 0.0 Bi3 Bi+3 0.6104 0.3052 0.8335 0.1074 0.0 O7 O-2 -0.1296 0.1296 0.88629 1 0.0 O9 O-2 0.1297 0.2594 0.01396 1 0.0 Nb2 Nb+5 0.1667 0.8333 0.8333 0.94 0.0 Bi7 Bi+3 0.547 0.547 0 0.23 0.0 Nb3 Nb+5 0.8333 0.1667 0.912552 0.94 0.0 Bi1 Bi+3 0.3214 0.2005 0.79639 0.104 0.0 Bi2 Bi+3 0.3441 0.2038 0.79104 0.239 0.0 Fe4 Fe+3 0.8333 0.1667 0.960177 0.06 0.0 O4 O-2 0.4609 0.9218 0.83844 1 0.0 Bi6 Bi+3 0.5087 0.4913 -0.0043 0.14 0.0 O12 O-2 0 0 0.2211 0.553 0.0 Fe1 Fe+3 0.3333 0.6666 0.794061 0.06 0.0 Fe5 Fe+3 0 0 0 0.06 0.0 Fe3 Fe+3 0.8333 0.1667 0.912552 0.06 0.0 O8 O-2 0.2062 0.7938 0.80875 1 0.0 Bi5 Bi+3 0.2753 0.63765 0.959677 0.2056 0.0 O1 O-2 0.2016 0.4032 0.06385 1 0.0 Fe2 Fe+3 0.1667 0.8333 0.8333 0.06 0.0 O10 O-2 0 0 0.5316 0.644 0.0 Nb5 Nb+5 0 0 0 0.94 0.0 O2 O-2 0.1271 0.2542 0.91487 1 0.0