# generated using pymatgen data_SmMgSe3 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.99137300 _cell_length_b 6.99137307 _cell_length_c 19.47667800 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999492 _symmetry_Int_Tables_number 1 _chemical_formula_structural SmMgSe3 _chemical_formula_sum 'Sm6 Mg6 Se18' _cell_volume 824.46170640 _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 Sm Sm0 1 0.00000000 0.00000000 0.34895700 1.0 Sm Sm1 1 0.00000000 0.00000000 0.65104300 1.0 Sm Sm2 1 0.66666700 0.33333300 0.68229000 1.0 Sm Sm3 1 0.66666700 0.33333300 0.98437600 1.0 Sm Sm4 1 0.33333300 0.66666700 0.01562400 1.0 Sm Sm5 1 0.33333300 0.66666700 0.31771000 1.0 Mg Mg6 1 0.00000000 0.00000000 0.16147600 1.0 Mg Mg7 1 0.00000000 0.00000000 0.83852400 1.0 Mg Mg8 1 0.66666700 0.33333300 0.49480900 1.0 Mg Mg9 1 0.66666700 0.33333300 0.17185700 1.0 Mg Mg10 1 0.33333300 0.66666700 0.82814300 1.0 Mg Mg11 1 0.33333300 0.66666700 0.50519100 1.0 Se Se12 1 0.99455500 0.36488400 0.58255500 1.0 Se Se13 1 0.00544500 0.63511600 0.41744500 1.0 Se Se14 1 0.63511600 0.62967000 0.58255500 1.0 Se Se15 1 0.36488400 0.37033000 0.41744500 1.0 Se Se16 1 0.37033000 0.00544500 0.58255500 1.0 Se Se17 1 0.62967000 0.99455500 0.41744500 1.0 Se Se18 1 0.66122200 0.69821700 0.91588800 1.0 Se Se19 1 0.67211300 0.96844900 0.75077800 1.0 Se Se20 1 0.30178300 0.96300300 0.91588800 1.0 Se Se21 1 0.03155100 0.70366300 0.75077800 1.0 Se Se22 1 0.03699700 0.33877800 0.91588800 1.0 Se Se23 1 0.29633700 0.32788700 0.75077800 1.0 Se Se24 1 0.32788700 0.03155100 0.24922200 1.0 Se Se25 1 0.33877800 0.30178300 0.08411200 1.0 Se Se26 1 0.96844900 0.29633700 0.24922200 1.0 Se Se27 1 0.69821700 0.03699700 0.08411200 1.0 Se Se28 1 0.70366300 0.67211300 0.24922200 1.0 Se Se29 1 0.96300300 0.66122200 0.08411200 1.0