#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/60/1006012.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_1006012 loop_ _publ_author_name 'Fuertes, A' 'Miravitilles, C' 'Gonzales-Calbet, J' 'Vallet-Regi, M' 'Obradors, X' 'Rodriguez-Carvajal, J' _publ_section_title ; The tubular crystal structure of the new phase Bi~4~ Sr~8~ Cu~5~ O~19+x~ related to the supercoducting perovskites ; _journal_coden_ASTM PHYCE6 _journal_name_full 'Physica C (Amsterdam) (152,1988-)' _journal_page_first 525 _journal_page_last 530 _journal_paper_doi 10.1016/0921-4534(89)90281-5 _journal_volume 157 _journal_year 1989 _chemical_formula_structural 'Bi4 Sr8 Cu5 O20.5' _chemical_formula_sum 'Bi4 Cu5 O20.5 Sr8' _chemical_name_systematic 'Bismuth strontium copper oxide (4/8/5/20.5)' _space_group_IT_number 69 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 69 _symmetry_space_group_name_Hall '-F 2 2' _symmetry_space_group_name_H-M 'F m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 5.373(2) _cell_length_b 33.907(6) _cell_length_c 23.966(4) _cell_volume 4366.2 _refine_ls_R_factor_all 0.052 _cod_database_code 1006012 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,-z -x,y,-z -x,-y,z -x,-y,-z -x,y,z x,-y,z x,y,-z x,1/2+y,1/2+z 1/2+x,y,1/2+z 1/2+x,1/2+y,z x,1/2-y,1/2-z 1/2+x,-y,1/2-z 1/2+x,1/2-y,-z -x,1/2+y,1/2-z 1/2-x,y,1/2-z 1/2-x,1/2+y,-z -x,1/2-y,1/2+z 1/2-x,-y,1/2+z 1/2-x,1/2-y,z -x,1/2-y,1/2-z 1/2-x,-y,1/2-z 1/2-x,1/2-y,-z -x,1/2+y,1/2+z 1/2-x,y,1/2+z 1/2-x,1/2+y,z x,1/2-y,1/2+z 1/2+x,-y,1/2+z 1/2+x,1/2-y,z x,1/2+y,1/2-z 1/2+x,y,1/2-z 1/2+x,1/2+y,-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+ 16 m 0. 0.2884(1) 0.1891(1) 1. 0 d Bi2 Bi3+ 16 m 0. 0.1345(1) 0.1915(1) 1. 0 d Sr1 Sr2+ 16 m 0. 0.2115(2) 0.0744(2) 1. 0 d Sr2 Sr2+ 16 m 0. 0.0563(2) 0.0841(3) 1. 0 d Sr3 Sr2+ 16 m 0. 0.3655(2) 0.0777(3) 1. 0 d Sr4 Sr2+ 16 m 0. 0.4461(1) 0.1950(3) 1. 0 d Cu1 Cu2+ 8 h 0. 0.4448(3) 0. 1. 0 d Cu2 Cu3+ 8 h 0. 0.1323(3) 0. 1. 0 d Cu3 Cu3+ 8 h 0. 0.2897(3) 0. 1. 0 d Cu4 Cu2+ 8 i 0. 0.5 0.0824(4) 1. 0 d Cu5 Cu3+ 8 i 0. 0. 0.1943(5) 1. 0 d O1 O2- 16 m 0. 0.1334(9) 0.1047(9) 1. 0 d O2 O2- 16 m 0.5 0.210(1) 0.1047(9) 1. 0 d O3 O2- 16 m 0. 0.073(1) 0.195(2) 1. 0 d O4 O2- 16 m 0.5 0.057(1) 0.082(2) 1. 0 d O5 O2- 32 p 0.380(7) 0.275(1) 0.178(2) 0.5 0 d O6 O2- 32 p 0.417(7) 0.135(1) 0.185(2) 0.5 0 d O7 O2- 16 o 0.244(5) 0.091(1) 0. 1. 0 d O8 O2- 16 o 0.244(5) 0.1704(8) 0. 1. 0 d O9 O2- 8 e 0.25 0.25 0. 1. 0 d O10 O2- 16 n 0.244(5) 0. 0.137(2) 1. 0 d O11 O2- 8 d 0.25 0. 0.25 1. 0 d O12 O2- 8 g 0.35(2) 0. 0. 0.5 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Sr2+ 2.000 Cu2+ 2.000 Cu3+ 3.000 O2- -2.000