#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/15/1001570.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_1001570 loop_ _publ_author_name 'Michel, C' 'Pelloquin, D' 'Hervieu, M' 'Raveau, B' 'Bouree, F' _publ_section_title ; Neutron diffraction study of the modulation free 2201-type structure: BiPbBaLaCuO~6~ ; _journal_coden_ASTM EJSCE5 _journal_name_full ; European Journal of Solid State Inorganic Chemistry ; _journal_page_first 991 _journal_page_last 996 _journal_volume 30 _journal_year 1993 _chemical_formula_structural '(Bi Pb) (Ba La) Cu O6' _chemical_formula_sum 'Ba Bi Cu La O6 Pb' _chemical_name_systematic 'Bismuth lead barium lanthanum copper oxide' _space_group_IT_number 52 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 52 _symmetry_space_group_name_Hall '-P 2n 2bc' _symmetry_space_group_name_H-M 'P n a n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.4071(3) _cell_length_b 5.4895(4) _cell_length_c 24.549(2) _cell_volume 728.7 _refine_ls_R_factor_all 0.024 _cod_database_code 1001570 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,y,-z x,1/2-y,1/2-z 1/2-x,1/2-y,1/2+z -x,-y,-z 1/2+x,-y,z -x,1/2+y,1/2+z 1/2+x,1/2+y,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+ 8 e -0.0052(20) 0.2666(8) 0.0605(1) 0.5 0 d Pb1 Pb2+ 8 e -0.0052(20) 0.2666(8) 0.0605(1) 0.5 0 d Ba1 Ba2+ 8 e 0.0089(22) 0.75 0.1756(1) 0.5 0 d La1 La3+ 8 e 0.0089(22) 0.75 0.1756(1) 0.5 0 d Cu1 Cu2+ 4 d 0.5 0.75 0.25 1. 0 d O1 O2- 8 e 0.75 0. 0.25 1. 0 d O2 O2- 8 e 0.4966(22) 0.7814(11) 0.1464(2) 1. 0 d O3 O2- 8 e 0.9025(10) 0.6450(9) 0.0696(3) 0.5 0 d O4 O2- 8 e 0.0975(10) 0.6450(9) 0.0696(3) 0.5 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Pb2+ 2.000 Ba2+ 2.000 La3+ 3.000 Cu2+ 2.000 O2- -2.000