data_global _amcsd_formula_title 'Ba2[(UO2)2Ti2O8]' loop_ _publ_author_name 'Wallwork K S' 'James M' 'Carter M L' _journal_name_full 'The Canadian Mineralogist' _journal_volume 44 _journal_year 2006 _journal_page_first 433 _journal_page_last 442 _publ_section_title ; The crystal chemistry, structure and properties of a synthetic carnotite-type compound, Ba2[(UO2)2Ti2O8] ; _database_code_amcsd 0006083 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ba U Ti O6' _cell_length_a 6.4463 _cell_length_b 8.5999 _cell_length_c 10.2532 _cell_angle_alpha 90 _cell_angle_beta 75.936 _cell_angle_gamma 90 _cell_volume 551.374 _exptl_crystal_density_diffrn 6.255 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ba 0.45790 0.76610 0.34710 0.01700 U 0.02350 0.98050 0.17750 0.00200 Ti 0.11040 0.15060 0.45060 0.00100 O1 0.07960 0.21440 0.27760 0.01300 O2 0.26120 0.50990 0.26070 0.01300 O3 0.31300 0.95340 0.12400 0.01300 O4 0.92980 0.43820 0.11080 0.01300 O5 0.00410 0.84770 0.98730 0.01300 O6 0.61950 0.65820 0.05630 0.01300