data_[Cs8Tl12Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.6921]
_cell_length_b [8.4182]
_cell_length_c [8.6833]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.1555]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cs2Tl3Pb]
_chemical_formula_sum '[Cs8 Tl12 Pb4]'
_cell_volume [1101.7543]
_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
[
  Cs  Cs0  8  0.1595  0.4992  0.5790  1.0
  Tl  Tl1  8  0.1183  0.0010  0.5599  1.0
  Tl  Tl2  4  0.0000  0.2061  0.7500  1.0
  Pb  Pb3  4  0.0000  0.1903  0.2500  1.0
]