data_global _amcsd_formula_title 'Eu2 O3' loop_ _publ_author_name 'Zachariasen W' _journal_name_full 'Norsk Geologisk Tidsskrift' _journal_volume 9 _journal_year 1927 _journal_page_first 310 _journal_page_last 316 _publ_section_title ; The crystal structure of the modification C of the sesquioxides of the rare earth metals, and of indium and thallium. _cod_database_code 1010339 ; _database_code_amcsd 0017265 _chemical_formula_sum 'Eu2 O3' _cell_length_a 10.84 _cell_length_b 10.84 _cell_length_c 10.84 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1273.761 _exptl_crystal_density_diffrn 7.341 _symmetry_space_group_name_H-M 'I 21 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2-z,-x,1/2+y' '-z,1/2-x,+y' '-z,1/2+x,1/2-y' '1/2-z,+x,-y' '1/2+z,1/2-x,-y' '+z,-x,1/2-y' 'z,x,y' '1/2+z,1/2+x,1/2+y' '1/2+y,1/2-z,-x' '+y,-z,1/2-x' '1/2-y,-z,1/2+x' '-y,1/2-z,+x' '-y,1/2+z,1/2-x' '1/2-y,+z,-x' 'y,z,x' '1/2+y,1/2+z,1/2+x' '-x,1/2+y,1/2-z' '1/2-x,+y,-z' '1/2+x,1/2-y,-z' '+x,-y,1/2-z' '1/2-x,-y,1/2+z' '-x,1/2-y,+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Eu1 0.25000 0.25000 0.25000 Eu2 0.02100 0.00000 0.25000 Eu3 0.54200 0.00000 0.25000 O1 0.12500 0.13500 0.39500 O2 0.10000 0.35800 0.37300