#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/57/9015766.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9015766 loop_ _publ_author_name 'Tegel, M.' 'Rotter, M.' 'Weiss, V.' 'Schappacher, F. M.' 'Pottgen, R.' 'Johrendt, D.' _publ_section_title ; Structural and magnetic phase transitions in the ternary iron arsenides SrFe2As2 and EuFe2As2 Note: T = 297 K ; _journal_name_full 'Journal of Physics: Condensed Matter' _journal_page_first 452201_1 _journal_page_last 452201_5 _journal_volume 20 _journal_year 2008 _chemical_compound_source Synthetic _chemical_formula_sum 'As2 Eu Fe2' _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_length_a 3.9062 _cell_length_b 3.9062 _cell_length_c 12.1247 _cell_volume 185.004 _database_code_amcsd 0018358 _exptl_crystal_density_diffrn 7.423 _cod_original_cell_volume 185.003 _cod_original_formula_sum 'Eu Fe2 As2' _cod_database_code 9015766 _amcsd_formula_title EuFe2As2 loop_ _space_group_symop_operation_xyz x,y,z 1/2+x,1/2+y,1/2+z -y,-x,z 1/2-y,1/2-x,1/2+z y,x,-z 1/2+y,1/2+x,1/2-z y,-x,-z 1/2+y,1/2-x,1/2-z -y,x,z 1/2-y,1/2+x,1/2+z x,-y,z 1/2+x,1/2-y,1/2+z -x,y,-z 1/2-x,1/2+y,1/2-z x,y,-z 1/2+x,1/2+y,1/2-z -x,-y,z 1/2-x,1/2-y,1/2+z y,x,z 1/2+y,1/2+x,1/2+z -y,-x,-z 1/2-y,1/2-x,1/2-z -y,x,-z 1/2-y,1/2+x,1/2-z y,-x,z 1/2+y,1/2-x,1/2+z -x,y,z 1/2-x,1/2+y,1/2+z x,-y,-z 1/2+x,1/2-y,1/2-z -x,-y,-z 1/2-x,1/2-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Eu 0.00000 0.00000 0.00000 0.01230 Fe 0.50000 0.00000 0.25000 0.00910 As 0.00000 0.00000 0.36250 0.00960