# generated using pymatgen data_NdMgSe3 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.03599300 _cell_length_b 7.03599353 _cell_length_c 19.64905200 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 120.00000222 _symmetry_Int_Tables_number 1 _chemical_formula_structural NdMgSe3 _chemical_formula_sum 'Nd6 Mg6 Se18' _cell_volume 842.40910852 _cell_formula_units_Z 6 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 Nd Nd0 1 0.00000000 0.00000000 0.35247100 1.0 Nd Nd1 1 0.00000000 0.00000000 0.64752900 1.0 Nd Nd2 1 0.66666700 0.33333300 0.68580400 1.0 Nd Nd3 1 0.66666700 0.33333300 0.98086200 1.0 Nd Nd4 1 0.33333300 0.66666700 0.01913800 1.0 Nd Nd5 1 0.33333300 0.66666700 0.31419600 1.0 Mg Mg6 1 0.00000000 0.00000000 0.16248900 1.0 Mg Mg7 1 0.00000000 0.00000000 0.83751100 1.0 Mg Mg8 1 0.66666700 0.33333300 0.49582200 1.0 Mg Mg9 1 0.66666700 0.33333300 0.17084400 1.0 Mg Mg10 1 0.33333300 0.66666700 0.82915600 1.0 Mg Mg11 1 0.33333300 0.66666700 0.50417800 1.0 Se Se12 1 0.99423400 0.37330000 0.58263400 1.0 Se Se13 1 0.00576600 0.62670000 0.41736600 1.0 Se Se14 1 0.62670000 0.62093300 0.58263400 1.0 Se Se15 1 0.37330000 0.37906700 0.41736600 1.0 Se Se16 1 0.37906700 0.00576600 0.58263400 1.0 Se Se17 1 0.62093300 0.99423400 0.41736600 1.0 Se Se18 1 0.66090100 0.70663300 0.91596700 1.0 Se Se19 1 0.67243300 0.96003300 0.75069900 1.0 Se Se20 1 0.29336700 0.95426600 0.91596700 1.0 Se Se21 1 0.03996700 0.71240000 0.75069900 1.0 Se Se22 1 0.04573400 0.33909900 0.91596700 1.0 Se Se23 1 0.28760000 0.32756700 0.75069900 1.0 Se Se24 1 0.32756700 0.03996700 0.24930100 1.0 Se Se25 1 0.33909900 0.29336700 0.08403300 1.0 Se Se26 1 0.96003300 0.28760000 0.24930100 1.0 Se Se27 1 0.70663300 0.04573400 0.08403300 1.0 Se Se28 1 0.71240000 0.67243300 0.24930100 1.0 Se Se29 1 0.95426600 0.66090100 0.08403300 1.0