data_global _amcsd_formula_title 'O6 Ta2 V' loop_ _publ_author_name 'Bernigaud G' 'Bernier J' 'Michel A' _journal_name_full 'Revue Internationale des Hautes Temperatures et des Refractaires' _journal_volume 8 _journal_year 1971 _journal_page_first 261 _journal_page_last 268 _publ_section_title ; Evolution de l'ordre cristallographique dans les systemes Ta2 V O6 - V O2 et W V2 O6 - V O2 _cod_database_code 1001151 ; _database_code_amcsd 0015367 _chemical_formula_sum 'Ta2 V O6' _cell_length_a 4.667 _cell_length_b 4.667 _cell_length_c 9.129 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 198.838 _exptl_crystal_density_diffrn 8.499 _symmetry_space_group_name_H-M 'P 42/m n m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,x,-z' '1/2+y,1/2-x,1/2-z' '1/2-y,1/2+x,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' 'x,y,-z' '-x,-y,z' 'y,x,z' '-y,-x,-z' '1/2-y,1/2+x,1/2-z' '1/2+y,1/2-x,1/2+z' '1/2-x,1/2+y,1/2+z' '1/2+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 Ta1 0.00000 0.00000 0.33000 V1 0.00000 0.00000 0.00000 O1 0.30200 0.30200 0.00000 O2 0.30200 0.30200 0.33000