data_global _amcsd_formula_title 'La2.25 Li2 Nb1.25 O13 Ti2.75' loop_ _publ_author_name 'Crosnier-Lopez M' 'Bhuvanesh N' 'Duroy H' 'Fourquet J' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 145 _journal_year 1999 _journal_page_first 136 _journal_page_last 149 _publ_section_title ; Irreversible electron-induced structural change during HREM imaging in lithium Ruddlesden-Popper phases in the series Li2 La(x) (Nb(2n-3x) Ti(3x-n) O(3n-1)) (n = 2,3,4) and Li2 Sr1.5 (Nb(3-x) Fe(x)) O(10-x) _cod_database_code 1000503 ; _database_code_amcsd 0013974 _chemical_formula_sum '(Nb1.25 Ti2.75) La2.25 O13 Li2' _cell_length_a 3.88 _cell_length_b 3.88 _cell_length_c 32.39999 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 487.762 _exptl_crystal_density_diffrn 5.326 _symmetry_space_group_name_H-M 'I 4/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-y,-x,z' '1/2-y,1/2-x,1/2+z' 'y,x,-z' '1/2+y,1/2+x,1/2-z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-y,x,z' '1/2-y,1/2+x,1/2+z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,1/2-z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' 'y,x,z' '1/2+y,1/2+x,1/2+z' '-y,-x,-z' '1/2-y,1/2-x,1/2-z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'y,-x,z' '1/2+y,1/2-x,1/2+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Nb1 0.00000 0.00000 0.18800 0.31250 Ti1 0.00000 0.00000 0.18800 0.68750 Nb2 0.00000 0.00000 0.05800 0.31250 Ti2 0.00000 0.00000 0.05800 0.68750 La1 0.50000 0.50000 0.00000 0.75000 La2 0.50000 0.50000 0.12300 0.75000 O1 0.00000 0.00000 0.24400 1.00000 O2 0.50000 0.00000 0.18800 1.00000 O3 0.00000 0.00000 0.12000 1.00000 O4 0.50000 0.00000 0.05800 1.00000 O5 0.00000 0.00000 0.00000 1.00000 Li1 0.50000 0.00000 0.25000 1.00000