data_global _chemical_name_mineral 'Loparite' loop_ _publ_author_name 'Mitchell R H' 'Chakhmouradian A R' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 26 _journal_year 1999 _journal_page_first 396 _journal_page_last 405 _publ_section_title ; Solid solubility in the system NaLREETi2O6 - ThTi2O6 (LREE, light rare-earth elements): experimental and analytical data ; _database_code_amcsd 0008220 _chemical_formula_sum 'Na.45 La.34 Th.13 Ti O3' _cell_length_a 5.4652 _cell_length_b 5.4652 _cell_length_c 7.7476 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 231.408 _exptl_crystal_density_diffrn 5.270 _symmetry_space_group_name_H-M 'I 4/m c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-y,-x,1/2+z' '1/2-y,1/2-x,+z' 'y,x,1/2-z' '1/2+y,1/2+x,-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,1/2+z' '1/2+x,1/2-y,+z' '-x,y,1/2-z' '1/2-x,1/2+y,-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,1/2+z' '1/2+y,1/2+x,+z' '-y,-x,1/2-z' '1/2-y,1/2-x,-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,1/2+z' '1/2-x,1/2+y,+z' 'x,-y,1/2-z' '1/2+x,1/2-y,-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 _atom_site_U_iso_or_equiv Na 0.00000 0.50000 0.25000 0.45000 0.01077 La 0.00000 0.50000 0.25000 0.34000 0.01077 Th 0.00000 0.50000 0.25000 0.13000 0.01077 Ti 0.00000 0.00000 0.00000 1.00000 0.00937 O1 0.00000 0.00000 0.25000 1.00000 0.03546 O2 0.22400 0.72400 0.00000 1.00000 0.02153