data_global _chemical_name_mineral 'Cliffordite' loop_ _publ_author_name 'Galy J' 'Meunier G' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 27 _journal_year 1971 _journal_page_first 608 _journal_page_last 616 _publ_section_title ; A propos de la cliffordite UTe3O8. Le Systeme UO3-TeO2 a 700 C. Structure cristalline de UTe3O9 Sample: T = 700 C ; _database_code_amcsd 0009388 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'U Te3 O9' _cell_length_a 11.370 _cell_length_b 11.370 _cell_length_c 11.370 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1469.878 _exptl_crystal_density_diffrn 6.912 _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_U_iso_or_equiv U1 0.00000 0.00000 0.00000 0.00722 U2 0.50000 0.50000 0.50000 0.00735 Te 0.26360 0.28450 0.04740 0.00608 O1 0.17800 0.40800 0.09200 0.00418 O2 0.34800 0.10600 0.41900 0.00608 O3 0.10400 0.10400 0.10400 0.01482 O4 0.60000 0.60000 0.60000 0.00595 O5 0.22100 0.22100 0.22100 0.00937