#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/41/1004136.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_1004136 loop_ _publ_author_name 'Drache, M' 'Obbade, S' 'Wignacourt, J P' 'Conflant, P' _publ_section_title ; Structural and conductivity properties of Bi(0.775) Ln(0.225) O1.5 oxide conductors (Ln = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy) with rhombohedral Bi-Sr-O type ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 349 _journal_page_last 359 _journal_paper_doi 10.1006/jssc.1998.8043 _journal_volume 142 _journal_year 1999 _chemical_formula_structural 'Bi0.775 Pr0.225 O1.5' _chemical_formula_sum 'Bi0.775 O1.5 Pr0.225' _chemical_name_systematic 'Bismuth praseodymium oxide (0.78/0.23/1.5)' _space_group_IT_number 166 _symmetry_cell_setting trigonal _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 9 _cell_length_a 3.9975(1) _cell_length_b 3.9975(1) _cell_length_c 27.50899(100) _cell_volume 380.7 _refine_ls_R_factor_all 0.069 _cod_original_sg_symbol_H-M 'R -3 m H' _cod_original_formula_sum 'Bi.775 O1.5 Pr.225' _cod_database_code 1004136 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 1/3+x,2/3+y,2/3+z 2/3+x,1/3+y,1/3+z 1/3-y,2/3+x-y,2/3+z 2/3-y,1/3+x-y,1/3+z 1/3-x+y,2/3-x,2/3+z 2/3-x+y,1/3-x,1/3+z 1/3-y,2/3-x,2/3+z 2/3-y,1/3-x,1/3+z 1/3+x,2/3+x-y,2/3+z 2/3+x,1/3+x-y,1/3+z 1/3-x+y,2/3+y,2/3+z 2/3-x+y,1/3+y,1/3+z 1/3-x,2/3-y,2/3-z 2/3-x,1/3-y,1/3-z 1/3+y,2/3-x+y,2/3-z 2/3+y,1/3-x+y,1/3-z 1/3+x-y,2/3+x,2/3-z 2/3+x-y,1/3+x,1/3-z 1/3+y,2/3+x,2/3-z 2/3+y,1/3+x,1/3-z 1/3-x,2/3-x+y,2/3-z 2/3-x,1/3-x+y,1/3-z 1/3+x-y,2/3-y,2/3-z 2/3+x-y,1/3-y,1/3-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+ 3 a 0. 0. 0. 0.325 0 d Pr1 Pr3+ 3 a 0. 0. 0. 0.675 0 d Bi2 Bi3+ 6 c 0. 0. 0.2244(1) 1. 0 d O1 O2- 6 c 0. 0. 0.302(1) 1. 0 d O2 O2- 6 c 0. 0. 0.095(1) 0.81(3) 0 d O3 O2- 6 c 0. 0. 0.445(2) 0.44(3) 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Pr3+ 3.000 O2- -2.000