#------------------------------------------------------------------------------ #$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $ #$Revision: 211196 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/50/96/1509662.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_1509662 loop_ _publ_author_name 'Mayer, I.' 'Felner, I.' 'Cohen, J.' _publ_section_title ; The crystal structure of the M Au2 Si2 rare earth compounds ; _journal_name_full 'Journal of the Less-Common Metals' _journal_page_first 181 _journal_page_last 184 _journal_paper_doi 10.1016/0022-5088(73)90103-3 _journal_volume 30 _journal_year 1973 _chemical_formula_sum 'Ag2 La Si2' _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 2 _cell_length_a 4.295 _cell_length_b 4.295 _cell_length_c 10.64 _cell_volume 196.276 _citation_journal_id_ASTM JCOMAH _cod_data_source_file silver2-3_118.cif _cod_data_source_block Ag2La1Si2 _cod_original_cell_volume 196.2764 _cod_original_formula_sum 'Ag2 La1 Si2' _cod_database_code 1509662 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 Ag1 Ag 0 0.5 0.25 1 0.0 Si1 Si 0 0 0.378 1 0.0 La1 La 0 0 0 1 0.0