# generated using pymatgen data_PrMgSe3 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.10036300 _cell_length_b 7.10036348 _cell_length_c 19.63625000 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 120.00000242 _symmetry_Int_Tables_number 1 _chemical_formula_structural PrMgSe3 _chemical_formula_sum 'Pr6 Mg6 Se18' _cell_volume 857.33451402 _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 Pr Pr0 1 0.00000000 0.00000000 0.35152000 1.0 Pr Pr1 1 0.00000000 0.00000000 0.64848000 1.0 Pr Pr2 1 0.66666700 0.33333300 0.68485300 1.0 Pr Pr3 1 0.66666700 0.33333300 0.98181300 1.0 Pr Pr4 1 0.33333300 0.66666700 0.01818700 1.0 Pr Pr5 1 0.33333300 0.66666700 0.31514700 1.0 Mg Mg6 1 0.00000000 0.00000000 0.16063900 1.0 Mg Mg7 1 0.00000000 0.00000000 0.83936100 1.0 Mg Mg8 1 0.66666700 0.33333300 0.49397200 1.0 Mg Mg9 1 0.66666700 0.33333300 0.17269400 1.0 Mg Mg10 1 0.33333300 0.66666700 0.82730600 1.0 Mg Mg11 1 0.33333300 0.66666700 0.50602800 1.0 Se Se12 1 0.99107000 0.36667600 0.58082000 1.0 Se Se13 1 0.00893000 0.63332400 0.41918000 1.0 Se Se14 1 0.63332400 0.62439400 0.58082000 1.0 Se Se15 1 0.36667600 0.37560500 0.41918000 1.0 Se Se16 1 0.37560500 0.00893000 0.58082000 1.0 Se Se17 1 0.62439400 0.99107000 0.41918000 1.0 Se Se18 1 0.65773700 0.70000900 0.91415300 1.0 Se Se19 1 0.67559700 0.96665700 0.75251300 1.0 Se Se20 1 0.29999100 0.95772700 0.91415300 1.0 Se Se21 1 0.03334300 0.70893900 0.75251300 1.0 Se Se22 1 0.04227200 0.34226300 0.91415300 1.0 Se Se23 1 0.29106100 0.32440300 0.75251300 1.0 Se Se24 1 0.32440300 0.03334300 0.24748700 1.0 Se Se25 1 0.34226300 0.29999100 0.08584700 1.0 Se Se26 1 0.96665700 0.29106100 0.24748700 1.0 Se Se27 1 0.70000900 0.04227200 0.08584700 1.0 Se Se28 1 0.70893900 0.67559700 0.24748700 1.0 Se Se29 1 0.95772700 0.65773700 0.08584700 1.0