data_[Ba1Ac2Tl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ac  1.1000  1.9500  1.2600
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [P6/mmm]
_cell_length_a [9.4325]
_cell_length_b [9.4325]
_cell_length_c [3.9193]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [191]
_chemical_formula_structural [Ba(AcTl3)2]
_chemical_formula_sum '[Ba1 Ac2 Tl6]'
_cell_volume [301.9862]
_cell_formula_units_Z [1]
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  0.0000  0.0000  0.0000  1
  Ac  Ac1  2  0.3333  0.6667  0.0000  1
  Tl  Tl2  6  0.0000  0.3368  0.5000  1
]