# generated using pymatgen data_YMgSe3 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.91394800 _cell_length_b 6.91394834 _cell_length_c 19.30444600 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999838 _symmetry_Int_Tables_number 1 _chemical_formula_structural YMgSe3 _chemical_formula_sum 'Y6 Mg6 Se18' _cell_volume 799.17192852 _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 Y Y0 1 0.00000000 0.00000000 0.34737400 1.0 Y Y1 1 0.00000000 0.00000000 0.65262600 1.0 Y Y2 1 0.66666700 0.33333300 0.68070700 1.0 Y Y3 1 0.66666700 0.33333300 0.98595900 1.0 Y Y4 1 0.33333300 0.66666700 0.01404100 1.0 Y Y5 1 0.33333300 0.66666700 0.31929300 1.0 Mg Mg6 1 0.00000000 0.00000000 0.16128700 1.0 Mg Mg7 1 0.00000000 0.00000000 0.83871300 1.0 Mg Mg8 1 0.66666700 0.33333300 0.49462000 1.0 Mg Mg9 1 0.66666700 0.33333300 0.17204600 1.0 Mg Mg10 1 0.33333300 0.66666700 0.82795400 1.0 Mg Mg11 1 0.33333300 0.66666700 0.50538000 1.0 Se Se12 1 0.99383000 0.36000200 0.58355300 1.0 Se Se13 1 0.00617000 0.63999800 0.41644700 1.0 Se Se14 1 0.63999800 0.63382800 0.58355300 1.0 Se Se15 1 0.36000200 0.36617200 0.41644700 1.0 Se Se16 1 0.36617200 0.00617000 0.58355300 1.0 Se Se17 1 0.63382800 0.99383000 0.41644700 1.0 Se Se18 1 0.66049700 0.69333500 0.91688600 1.0 Se Se19 1 0.67283700 0.97333100 0.74978000 1.0 Se Se20 1 0.30666500 0.96716100 0.91688600 1.0 Se Se21 1 0.02666900 0.69950500 0.74978000 1.0 Se Se22 1 0.03283900 0.33950300 0.91688600 1.0 Se Se23 1 0.30049500 0.32716300 0.74978000 1.0 Se Se24 1 0.32716300 0.02666900 0.25022000 1.0 Se Se25 1 0.33950300 0.30666500 0.08311400 1.0 Se Se26 1 0.97333100 0.30049500 0.25022000 1.0 Se Se27 1 0.69333500 0.03283900 0.08311400 1.0 Se Se28 1 0.69950500 0.67283700 0.25022000 1.0 Se Se29 1 0.96716100 0.66049700 0.08311400 1.0