#------------------------------------------------------------------------------ #$Date: 2016-02-13 14:50:18 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176428 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/53/68/1536822.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_1536822 loop_ _publ_author_name 'Falter, C.' 'Klenner, M.' 'Chen, Q.' _publ_section_title ; Role of bonding, reduced screening, and structure in the hightemperature superconductors ; _journal_name_full 'Physical Review, Serie 3. B - Condensed Matter (18,1978-)' _journal_page_first 16690 _journal_page_last 16706 _journal_volume 48 _journal_year 1993 _chemical_formula_sum 'Cu La2 O4' _chemical_name_systematic 'La2 (Cu O4)' _space_group_IT_number 64 _symmetry_space_group_name_Hall '-C 2ac 2 (z,x,y)' _symmetry_space_group_name_H-M 'C m c a (c,a,b)' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.624 _cell_length_b 5.714 _cell_length_c 12.198 _cell_volume 391.989 _citation_journal_id_ASTM PRBMDO _cod_data_source_file Falter_PRBMDO_1993_1893.cif _cod_data_source_block Cu1La2O4 _cod_original_cell_volume 391.9893 _cod_original_sg_symbol_H-M 'A b m a' _cod_chemical_formula_sum_orig 'Cu1 La2 O4' _cod_database_code 1536822 loop_ _symmetry_equiv_pos_as_xyz x,y,z x+1/2,-y+1/2,-z -x,y,-z -x+1/2,-y+1/2,z -x,-y,-z -x-1/2,y-1/2,z x,-y,z x-1/2,y-1/2,-z x,y+1/2,z+1/2 x+1/2,-y+1,-z+1/2 -x,y+1/2,-z+1/2 -x+1/2,-y+1,z+1/2 -x,-y+1/2,-z+1/2 -x-1/2,y,z+1/2 x,-y+1/2,z+1/2 x-1/2,y,-z+1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv La1 La+3 0.0145 0 0.349 1 0.0 O1 O-2 0.25 0.25 0.06 1 0.0 Cu1 Cu+2 0 0 0 1 0.0 O2 O-2 0.865 0 0.183 1 0.0