data_[Ba8Tl12Ag20]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [11.5691]
_cell_length_b [14.3534]
_cell_length_c [6.8646]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Ba2Tl3Ag5]
_chemical_formula_sum '[Ba8 Tl12 Ag20]'
_cell_volume [1139.9129]
_cell_formula_units_Z [4]
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  8  0.2302  0.3703  0.0000  1.0
  Tl  Tl1  8  0.0996  0.3555  0.5000  1.0
  Tl  Tl2  4  0.0000  0.0000  0.2500  1.0
  Ag  Ag3  8  0.0000  0.2116  0.2500  1.0
  Ag  Ag4  8  0.1563  0.1141  0.0000  1.0
  Ag  Ag5  4  0.0000  0.5000  0.2500  1.0
]