#------------------------------------------------------------------------------ #$Date: 2018-09-27 07:13:35 +0300 (Thu, 27 Sep 2018) $ #$Revision: 211196 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/25/1522556.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_1522556 loop_ _publ_author_name 'Moze, O.' 'Ibberson, R.M.' 'Caciuffo, R.' 'Buschow, K.H.J.' _publ_section_title ; On the preferential site occupation of T= Cr, or Mn in rare earth compounds of the type R T4 Al8 ; _journal_name_full 'Journal of the Less-Common Metals' _journal_page_first 329 _journal_page_last 334 _journal_volume 166 _journal_year 1990 _chemical_formula_sum 'Al8 Cr4 Er' _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 8.9244 _cell_length_b 8.9244 _cell_length_c 5.1244 _cell_volume 408.132 _citation_journal_id_ASTM JCOMAH _cod_data_source_file Moze_JCOMAH_1990_970.cif _cod_data_source_block Al8Cr4Er1 _cod_original_cell_volume 408.1324 _cod_original_formula_sum 'Al8 Cr4 Er1' _cod_database_code 1522556 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 Cr2 Cr 0.3432 0 0 0.02 0.0 Al2 Al 0.3421 0 0 0.98 0.0 Cr1 Cr 0.25 0.25 0.25 0.932 0.0 Er1 Er 0 0 0 1 0.0 Cr3 Cr 0.2811 0.5 0 0.048 0.0 Al3 Al 0.281 0.5 0 0.952 0.0 Al1 Al 0.25 0.25 0.25 0.068 0.0