#------------------------------------------------------------------------------ #$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/25/2002507.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_2002507 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Boje, J' _publ_section_title ; Ein Beitrag ueber dotiertes Lanthancuprat: La1.5 Sr0.5 Cu0.75 M0.25 O4 (M= Ti4+, Ir4+) ; _journal_name_full 'Journal of the Less-Common Metals' _journal_page_first 179 _journal_page_last 183 _journal_paper_doi 10.1016/0022-5088(90)90303-2 _journal_volume 167 _journal_year 1990 _chemical_formula_structural 'La1.5 Sr0.5 Cu0.75 Ir0.25 O4' _chemical_formula_sum 'Cu0.75 Ir0.25 La1.5 O4 Sr0.5' _chemical_name_systematic ; Lanthanum strontium copper iridium oxide (1.5/0.5/0.75/.25/4) ; _space_group_IT_number 64 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 64 _symmetry_space_group_name_Hall '-A 2ab 2ab' _symmetry_space_group_name_H-M 'A b m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.3991(12) _cell_length_b 5.4070(7) _cell_length_c 13.1042(22) _cell_volume 382.6 _refine_ls_R_factor_all 0.04 _cod_original_formula_sum 'Cu.75 Ir.25 La1.5 O4 Sr.5' _cod_database_code 2002507 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,-z 1/2+x,y,1/2-z 1/2-x,y,1/2+z -x,-y,-z x,-y,z 1/2-x,-y,1/2+z 1/2+x,-y,1/2-z x,1/2+y,1/2+z -x,1/2+y,1/2-z 1/2+x,1/2+y,-z 1/2-x,1/2+y,z -x,1/2-y,1/2-z x,1/2-y,1/2+z 1/2-x,1/2-y,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 La1 La3+ 8 f 0.9871(8) 0. 0.3599(1) 0.75 0 d Sr1 Sr2+ 8 f 0.9871(8) 0. 0.3599(1) 0.25 0 d Cu1 Cu2+ 4 a 0. 0. 0. 0.75 0 d Ir1 Ir4+ 4 a 0. 0. 0. 0.25 0 d O1 O2- 8 e 0.25 0.25 0.0089(18) 1. 0 d O2 O2- 8 f 0.9766(69) 0. 0.1773(12) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number La3+ 3.000 Sr2+ 2.000 Cu2+ 2.000 Ir4+ 4.000 O2- -2.000