# generated using pymatgen data_KNb7O9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 4.21251111 _cell_length_b 4.21251111 _cell_length_c 12.52563389 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 90.00000000 _symmetry_Int_Tables_number 1 _chemical_formula_structural KNb7O9 _chemical_formula_sum 'K1 Nb7 O9' _cell_volume 222.27050298 _cell_formula_units_Z 1 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy K K0 1 0.00000000 0.00000000 0.00000000 1.0 Nb Nb1 1 0.50000000 0.50000000 0.50000000 1.0 Nb Nb2 1 0.50000000 0.00000000 0.32723823 1.0 Nb Nb3 1 0.00000000 0.50000000 0.32723823 1.0 Nb Nb4 1 0.50000000 0.00000000 0.67276177 1.0 Nb Nb5 1 0.00000000 0.50000000 0.67276177 1.0 Nb Nb6 1 0.50000000 0.50000000 0.16075744 1.0 Nb Nb7 1 0.50000000 0.50000000 0.83924256 1.0 O O8 1 0.00000000 0.50000000 0.50000000 1.0 O O9 1 0.50000000 0.00000000 0.50000000 1.0 O O10 1 0.00000000 0.00000000 0.33438131 1.0 O O11 1 0.00000000 0.00000000 0.66561869 1.0 O O12 1 0.00000000 0.50000000 0.16126060 1.0 O O13 1 0.50000000 0.00000000 0.16126060 1.0 O O14 1 0.00000000 0.50000000 0.83873940 1.0 O O15 1 0.50000000 0.00000000 0.83873940 1.0 O O16 1 0.50000000 0.50000000 0.00000000 1.0