data_global _amcsd_formula_title 'O3 Ta0.9 W0.1 Y0.3' loop_ _publ_author_name 'Studer F' 'Montfort Y' 'Raveau B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 7 _journal_year 1973 _journal_page_first 269 _journal_page_last 276 _publ_section_title ; Evolution structurale de nouvelles Perovskites lacunaires Yx(Ta3xW1-3x)O3 _cod_database_code 1001125 ; _database_code_amcsd 0013316 _chemical_formula_sum 'Ta1.8 W.2 Y.6 O6' _cell_length_a 3.833 _cell_length_b 3.833 _cell_length_c 7.727 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 113.524 _exptl_crystal_density_diffrn 7.486 _symmetry_space_group_name_H-M 'P 4/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,x,-z' 'y,-x,-z' '-y,x,z' 'x,-y,z' '-x,y,-z' 'x,y,-z' '-x,-y,z' 'y,x,z' '-y,-x,-z' '-y,x,-z' 'y,-x,z' '-x,y,z' 'x,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ta1 0.50000 0.50000 0.23800 0.90000 W1 0.50000 0.50000 -0.23800 0.10000 Y1 0.00000 0.00000 0.50000 0.60000 O1 0.50000 0.50000 0.00000 1.00000 O2 0.50000 0.50000 0.50000 1.00000 O3 0.00000 0.50000 0.26200 1.00000