data_global _amcsd_formula_title 'Li3TaO4' loop_ _publ_author_name 'du Boulay D' 'Sakaguchi A' 'Suda K' 'Ishizawa N' _journal_name_full 'Acta Crystallographica, Section E' _journal_volume 59 _journal_year 2003 _journal_page_first i80 _journal_page_last i82 _publ_section_title ; Reinvestigation of beta-Li3TaO4 ; _database_code_amcsd 0010410 _chemical_formula_sum 'Li3 Ta O4' _cell_length_a 8.5080 _cell_length_b 8.5160 _cell_length_c 9.3380 _cell_angle_alpha 90 _cell_angle_beta 116.869 _cell_angle_gamma 90 _cell_volume 603.535 _exptl_crystal_density_diffrn 5.850 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Li1 0.31640 -0.11840 0.61820 0.01200 Li2 0.54250 -0.10730 0.12630 0.01700 Li3 0.82050 -0.12010 0.63880 0.01700 Ta 0.07894 -0.14081 0.12484 0.00618 O1 0.16430 -0.12280 0.36080 0.00790 O2 0.43940 -0.13890 0.88220 0.00920 O3 0.69610 -0.12580 0.36600 0.00900 O4 0.94360 -0.11060 0.88860 0.00840 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Li1 0.01000 0.01600 0.01400 0.00500 0.01000 0.00800 Li2 0.02600 0.00500 0.02500 0.00100 0.01500 -0.00500 Li3 0.02200 0.00900 0.02100 -0.00500 0.01000 -0.00500 Ta 0.00648 0.00666 0.00567 0.00038 0.00297 0.00036 O1 0.00740 0.01140 0.00370 0.00050 0.00160 -0.00010 O2 0.01020 0.00640 0.01100 -0.00190 0.00480 -0.00330 O3 0.00880 0.00930 0.00870 0.00040 0.00370 -0.00270 O4 0.00690 0.01010 0.00670 -0.00050 0.00180 0.00130