data_[Cs4Tl4Pb2I12]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.5853]
_cell_length_b [15.2245]
_cell_length_c [8.4265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9385]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Tl2PbI6]
_chemical_formula_sum '[Cs4 Tl4 Pb2 I12]'
_cell_volume [1148.4900]
_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
[
  Cs  Cs0  4  0.0000  0.3419  0.5000  1.0
  Tl  Tl1  4  0.0000  0.1771  0.0000  1.0
  Pb  Pb2  2  0.0000  0.0000  0.5000  1.0
  I  I3  8  0.2246  0.1496  0.7483  1.0
  I  I4  4  0.1888  0.0000  0.2453  1.0
]