data_[Ba4Tl6Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.4778]
_cell_length_b [5.0152]
_cell_length_c [8.1051]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2945]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ba2Tl3Sn2]
_chemical_formula_sum '[Ba4 Tl6 Sn4]'
_cell_volume [484.2735]
_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  0.1357  0.0000  0.7725  1
  Tl  Tl1  4  0.1129  0.5000  0.4366  1
  Tl  Tl2  2  0.0000  0.5000  0.0000  1
  Sn  Sn3  4  0.1612  0.0000  0.2434  1
]