# generated using pymatgen data_TbMgSe3 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.92989300 _cell_length_b 6.92989242 _cell_length_c 19.29184000 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999801 _symmetry_Int_Tables_number 1 _chemical_formula_structural TbMgSe3 _chemical_formula_sum 'Tb6 Mg6 Se18' _cell_volume 802.33791087 _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 Tb Tb0 1 0.00000000 0.00000000 0.34760600 1.0 Tb Tb1 1 0.00000000 0.00000000 0.65239400 1.0 Tb Tb2 1 0.66666700 0.33333300 0.68093900 1.0 Tb Tb3 1 0.66666700 0.33333300 0.98572700 1.0 Tb Tb4 1 0.33333300 0.66666700 0.01427300 1.0 Tb Tb5 1 0.33333300 0.66666700 0.31906100 1.0 Mg Mg6 1 0.00000000 0.00000000 0.16112400 1.0 Mg Mg7 1 0.00000000 0.00000000 0.83887600 1.0 Mg Mg8 1 0.66666700 0.33333300 0.49445700 1.0 Mg Mg9 1 0.66666700 0.33333300 0.17220900 1.0 Mg Mg10 1 0.33333300 0.66666700 0.82779100 1.0 Mg Mg11 1 0.33333300 0.66666700 0.50554300 1.0 Se Se12 1 0.99373000 0.36016900 0.58341800 1.0 Se Se13 1 0.00627000 0.63983100 0.41658200 1.0 Se Se14 1 0.63983100 0.63356100 0.58341800 1.0 Se Se15 1 0.36016900 0.36643900 0.41658200 1.0 Se Se16 1 0.36643900 0.00627000 0.58341800 1.0 Se Se17 1 0.63356100 0.99373000 0.41658200 1.0 Se Se18 1 0.66039700 0.69350200 0.91675100 1.0 Se Se19 1 0.67293700 0.97316400 0.74991500 1.0 Se Se20 1 0.30649800 0.96689400 0.91675100 1.0 Se Se21 1 0.02683600 0.69977200 0.74991500 1.0 Se Se22 1 0.03310600 0.33960300 0.91675100 1.0 Se Se23 1 0.30022800 0.32706300 0.74991500 1.0 Se Se24 1 0.32706300 0.02683600 0.25008500 1.0 Se Se25 1 0.33960300 0.30649800 0.08324900 1.0 Se Se26 1 0.97316400 0.30022800 0.25008500 1.0 Se Se27 1 0.69350200 0.03310600 0.08324900 1.0 Se Se28 1 0.69977200 0.67293700 0.25008500 1.0 Se Se29 1 0.96689400 0.66039700 0.08324900 1.0