data_[Ba6Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [6.0176]
_cell_length_b [8.0815]
_cell_length_c [7.6868]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Ba3Tl]
_chemical_formula_sum '[Ba6 Tl2]'
_cell_volume [373.8171]
_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  4  0.0000  0.2542  0.8482  1.0
  Ba  Ba1  2  0.0000  0.5000  0.4109  1.0
  Tl  Tl2  2  0.0000  0.0000  0.2889  1.0
]