data_global _amcsd_formula_title 'Ba2 Fe0.667 Mg0.5 O6 U0.833' loop_ _publ_author_name 'Padel L' 'Poix P' 'Michel A' _journal_name_full 'Revue de Chimie Minerale' _journal_volume 9 _journal_year 1972 _journal_page_first 337 _journal_page_last 350 _publ_section_title ; Preparation et etude cristallographique du systeme Ba2 Mg U O6 - Ba2 Fe1.333 U.667 O6 _cod_database_code 1001134 ; _database_code_amcsd 0015372 _chemical_formula_sum 'Ba2 Mg.5 Fe.667 U.833 O6' _cell_length_a 8.328 _cell_length_b 8.328 _cell_length_c 8.328 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 577.593 _exptl_crystal_density_diffrn 7.111 _symmetry_space_group_name_H-M 'P a 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+z,x,1/2-y' 'z,1/2-x,1/2+y' '1/2-z,1/2+x,y' '-z,-x,-y' '1/2+y,1/2-z,-x' '1/2-y,-z,1/2+x' '-y,1/2+z,1/2-x' 'y,z,x' 'x,1/2-y,1/2+z' '1/2-x,1/2+y,z' '1/2+x,y,1/2-z' '-x,-y,-z' '1/2-z,-x,1/2+y' '-z,1/2+x,1/2-y' '1/2+z,1/2-x,-y' 'z,x,y' '1/2-y,1/2+z,x' '1/2+y,z,1/2-x' 'y,1/2-z,1/2+x' '-y,-z,-x' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ba1 0.25900 0.25900 0.25900 1.00000 Mg1 0.00000 0.00000 0.00000 0.50000 Fe1 0.00000 0.00000 0.00000 0.50000 Fe2 0.50000 0.50000 0.50000 0.16700 U1 0.50000 0.50000 0.50000 0.83300 O1 0.25000 0.00000 0.00000 1.00000