data_global _amcsd_formula_title 'Na O11 V6' loop_ _publ_author_name 'De Roy M' 'Besse J' 'Chevalier R' 'Gasperin M' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 67 _journal_year 1987 _journal_page_first 185 _journal_page_last 189 _publ_section_title ; Synthese et structure cristalline de Na V6 O11 _cod_database_code 1001687 ; _database_code_amcsd 0013596 _chemical_formula_sum 'V6 Na O11' _cell_length_a 5.699 _cell_length_b 5.699 _cell_length_c 13.07 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 367.624 _exptl_crystal_density_diffrn 4.559 _symmetry_space_group_name_H-M 'P -6 2 c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' '-x+y,-x,1/2-z' 'y,x,-z' '-y,x-y,z' 'x-y,-y,1/2+z' 'x,y,1/2-z' '-x,-x+y,-z' '-x+y,-x,z' 'y,x,1/2+z' '-y,x-y,1/2-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy V1 0.50500 0.01350 0.00000 0.50000 V2 0.33333 0.66667 0.25000 1.00000 V3 0.00000 0.00000 0.14770 1.00000 Na1 0.66667 0.33333 0.25000 1.00000 O1 0.34080 0.17300 0.08040 1.00000 O2 0.14700 0.30510 0.25000 1.00000 O3 0.33333 0.66667 0.09020 1.00000