#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/21/1522138.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_1522138 loop_ _publ_author_name 'Wang, M.' 'McDonald, R.' 'Mar, A.' _publ_section_title ; Nonstoichiometric rare-earth copper arsenides RE Cu1+x As2 (RE = La, Ce, Pr) ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 140 _journal_page_last 145 _journal_volume 147 _journal_year 1999 _chemical_formula_sum 'As2 Cu1.233 La' _chemical_name_systematic 'La Cu1.233 As2' _space_group_IT_number 139 _symmetry_space_group_name_Hall '-I 4 2' _symmetry_space_group_name_H-M 'I 4/m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 4.0901 _cell_length_b 4.0901 _cell_length_c 20.243 _cell_volume 338.643 _citation_journal_id_ASTM JSSCBI _cod_data_source_file Wang_JSSCBI_1999_290.cif _cod_data_source_block As2Cu1.233La1 _cod_original_cell_volume 338.6435 _cod_original_formula_sum 'As2 Cu1.233 La1' _cod_database_code 1522138 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x,z -x,-y,z y,-x,z x,-y,-z y,x,-z -x,y,-z -y,-x,-z -x,-y,-z y,-x,-z x,y,-z -y,x,-z -x,y,z -y,-x,z x,-y,z y,x,z x+1/2,y+1/2,z+1/2 -y+1/2,x+1/2,z+1/2 -x+1/2,-y+1/2,z+1/2 y+1/2,-x+1/2,z+1/2 x+1/2,-y+1/2,-z+1/2 y+1/2,x+1/2,-z+1/2 -x+1/2,y+1/2,-z+1/2 -y+1/2,-x+1/2,-z+1/2 -x+1/2,-y+1/2,-z+1/2 y+1/2,-x+1/2,-z+1/2 x+1/2,y+1/2,-z+1/2 -y+1/2,x+1/2,-z+1/2 -x+1/2,y+1/2,z+1/2 -y+1/2,-x+1/2,z+1/2 x+1/2,-y+1/2,z+1/2 y+1/2,x+1/2,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 As2 As-3 0 0 0.17729 1 0.0 As1 As-1 0 0.5 0 1 0.0 La1 La+3 0 0 0.37858 1 0.0 Cu1 Cu+1 0 0.5 0.25 1 0.0 Cu2 Cu+1 0 0 0.0598 0.233 0.0