#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/02/1000233.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_1000233 loop_ _publ_author_name 'Er Rakho, L' 'Michel, C' 'Lacorre, Ph' 'Raveau, B' _publ_section_title ; Y Ba Cu Fe O~5+d~: A Novel Oxygen-Deficient Perovskite with a Layer Structure ; _journal_coden_ASTM JSSCBI _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 531 _journal_page_last 535 _journal_paper_doi 10.1016/0022-4596(88)90141-7 _journal_volume 73 _journal_year 1988 _chemical_formula_structural 'Y Ba Cu Fe O5' _chemical_formula_sum 'Ba Cu Fe O5 Y' _chemical_name_systematic 'Yttrium barium copper iron(III) oxide' _space_group_IT_number 99 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 99 _symmetry_space_group_name_Hall 'P 4 -2' _symmetry_space_group_name_H-M 'P 4 m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 3.867 _cell_length_b 3.867 _cell_length_c 7.656 _cell_volume 114.5 _refine_ls_R_factor_all 0.17 _cod_database_code 1000233 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 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 Ba1 Ba2+ 1 a 0. 0. 0.0226(22) 1. 0 d Y1 Y3+ 1 a 0. 0. 0.5112(3) 1. 0 d Cu1 Cu2+ 1 b 0.5 0.5 0.2738(5) 0.62 0 d Fe1 Fe3+ 1 b 0.5 0.5 0.2738(5) 0.38 0 d Cu2 Cu2+ 1 b 0.5 0.5 0.7387(6) 0.38 0 d Fe2 Fe3+ 1 b 0.5 0.5 0.7387(6) 0.62 0 d O1 O2- 1 b 0.5 0.5 0.0149(23) 1. 0 d O2 O2- 2 c 0.5 0. 0.3331(9) 1. 0 d O3 O2- 2 c 0.5 0. 0.7028(9) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Y3+ 3.000 Cu2+ 2.000 Fe3+ 3.000 O2- -2.000