data_[Tl2As2Pb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3545]
_cell_length_b [6.0761]
_cell_length_c [8.0689]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.0863]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [TlAsPbO4]
_chemical_formula_sum '[Tl2 As2 Pb2 O8]'
_cell_volume [286.5937]
_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
[
  Tl  Tl0  2  0.3070  0.2500  0.0362  1
  As  As1  2  0.2679  0.7500  0.2987  1
  Pb  Pb2  2  0.1974  0.2500  0.4777  1
  O  O3  4  0.0905  0.5209  0.2475  1
  O  O4  2  0.4374  0.7500  0.5294  1
  O  O5  2  0.4521  0.7500  0.1905  1
]