# generated using pymatgen data_Ba3MgIr2O9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.83885769 _cell_length_b 5.83885769 _cell_length_c 14.46708800 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999650 _symmetry_Int_Tables_number 1 _chemical_formula_structural Ba3MgIr2O9 _chemical_formula_sum 'Ba6 Mg2 Ir4 O18' _cell_volume 427.13735208 _cell_formula_units_Z 2 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 Ba Ba0 1 0.33333300 0.66666700 0.91384300 1.0 Ba Ba1 1 0.66666700 0.33333300 0.41384300 1.0 Ba Ba2 1 0.33333300 0.66666700 0.58615700 1.0 Ba Ba3 1 0.00000000 0.00000000 0.25000000 1.0 Ba Ba4 1 0.66666700 0.33333300 0.08615700 1.0 Ba Ba5 1 0.00000000 0.00000000 0.75000000 1.0 Mg Mg6 1 0.00000000 0.00000000 0.50000000 1.0 Mg Mg7 1 0.00000000 0.00000000 0.00000000 1.0 Ir Ir8 1 0.33333300 0.66666700 0.34437900 1.0 Ir Ir9 1 0.66666700 0.33333300 0.65562100 1.0 Ir Ir10 1 0.33333300 0.66666700 0.15562100 1.0 Ir Ir11 1 0.66666700 0.33333300 0.84437900 1.0 O O12 1 0.17086500 0.82913500 0.08189000 1.0 O O13 1 0.82913500 0.65826900 0.58189000 1.0 O O14 1 0.51578700 0.48421300 0.75000000 1.0 O O15 1 0.34173100 0.17086500 0.91811000 1.0 O O16 1 0.48421300 0.51578700 0.25000000 1.0 O O17 1 0.34173100 0.17086500 0.58189000 1.0 O O18 1 0.03157400 0.51578700 0.25000000 1.0 O O19 1 0.82913500 0.17086500 0.58189000 1.0 O O20 1 0.51578700 0.03157400 0.75000000 1.0 O O21 1 0.65826900 0.82913500 0.08189000 1.0 O O22 1 0.17086500 0.82913500 0.41811000 1.0 O O23 1 0.96842600 0.48421300 0.75000000 1.0 O O24 1 0.82913500 0.17086500 0.91811000 1.0 O O25 1 0.65826900 0.82913500 0.41811000 1.0 O O26 1 0.17086500 0.34173100 0.41811000 1.0 O O27 1 0.17086500 0.34173100 0.08189000 1.0 O O28 1 0.48421300 0.96842600 0.25000000 1.0 O O29 1 0.82913500 0.65826900 0.91811000 1.0