# generated using pymatgen data_NaMg15 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.44395052 _cell_length_b 6.44395052 _cell_length_c 10.39245800 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 120.00000533 _symmetry_Int_Tables_number 1 _chemical_formula_structural NaMg15 _chemical_formula_sum 'Na1 Mg15' _cell_volume 373.72597219 _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 Na Na0 1 0.00000000 0.00000000 0.50000000 1.0 Mg Mg1 1 0.00000000 0.00000000 0.00000000 1.0 Mg Mg2 1 0.00097000 0.50048500 0.50000000 1.0 Mg Mg3 1 0.99994200 0.49997100 0.00000000 1.0 Mg Mg4 1 0.49951500 0.50048500 0.50000000 1.0 Mg Mg5 1 0.50002900 0.49997100 0.00000000 1.0 Mg Mg6 1 0.49951500 0.99903000 0.50000000 1.0 Mg Mg7 1 0.50002900 0.00005800 0.00000000 1.0 Mg Mg8 1 0.16733500 0.33467000 0.24742600 1.0 Mg Mg9 1 0.16733500 0.33467000 0.75257400 1.0 Mg Mg10 1 0.16733500 0.83266500 0.24742600 1.0 Mg Mg11 1 0.16733500 0.83266500 0.75257400 1.0 Mg Mg12 1 0.66533000 0.83266500 0.24742600 1.0 Mg Mg13 1 0.66533000 0.83266500 0.75257400 1.0 Mg Mg14 1 0.66666700 0.33333300 0.25023000 1.0 Mg Mg15 1 0.66666700 0.33333300 0.74977000 1.0