# generated using pymatgen data_NaNbSe2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 3.57450499 _cell_length_b 3.57450495 _cell_length_c 14.80995926 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999067 _symmetry_Int_Tables_number 1 _chemical_formula_structural NaNbSe2 _chemical_formula_sum 'Na2 Nb2 Se4' _cell_volume 163.87637440 _cell_formula_units_Z 2 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 Na Na0 1 -0.00000000 -0.00000000 -0.00000000 1.0 Na Na1 1 -0.00000000 -0.00000000 0.50000000 1.0 Nb Nb2 1 0.00000000 -0.00000000 0.25000000 1.0 Nb Nb3 1 -0.00000000 0.00000000 0.75000000 1.0 Se Se4 1 0.33333300 0.66666700 0.13882767 1.0 Se Se5 1 0.33333300 0.66666700 0.36117233 1.0 Se Se6 1 0.66666700 0.33333300 0.63882767 1.0 Se Se7 1 0.66666700 0.33333300 0.86117233 1.0