data_[Ba2Sr4Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.7932]
_cell_length_b [13.1741]
_cell_length_c [4.0787]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.5414]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [BaSr2Tl]
_chemical_formula_sum '[Ba2 Sr4 Tl2]'
_cell_volume [367.8595]
_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  2  0.0000  0.5000  0.5000  1
  Sr  Sr1  4  0.2500  0.2500  0.0000  1
  Tl  Tl2  2  0.0000  0.0000  0.5000  1
]