data_[Ba6Mg36Tl3Ag9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [9.7181]
_cell_length_b [9.7181]
_cell_length_c [21.3427]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ba2Mg12TlAg3]
_chemical_formula_sum '[Ba6 Mg36 Tl3 Ag9]'
_cell_volume [1745.5885]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.3983  1
  Mg  Mg1  18  0.0009  0.5004  0.6236  1
  Mg  Mg2  18  0.0488  0.5244  0.8473  1
  Tl  Tl3  3  0.0000  0.0000  0.0000  1
  Ag  Ag4  9  0.0000  0.5000  0.5000  1
]