data_[Tl4Ga4Pb8O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Ga  1.8100  1.3000  0.7600
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.3871]
_cell_length_b [14.9053]
_cell_length_c [11.8551]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TlGaPb2O5]
_chemical_formula_sum '[Tl4 Ga4 Pb8 O20]'
_cell_volume [598.5135]
_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
[
  Tl  Tl0  4  0.0000  0.1953  0.0326  1.0
  Ga  Ga1  4  0.0000  0.4684  0.4297  1.0
  Pb  Pb2  4  0.0000  0.1113  0.6447  1.0
  Pb  Pb3  4  0.0000  0.1459  0.3169  1.0
  O  O4  4  0.0000  0.0194  0.0082  1.0
  O  O5  4  0.0000  0.2883  0.6617  1.0
  O  O6  4  0.0000  0.3418  0.4124  1.0
  O  O7  4  0.0000  0.3493  0.0194  1.0
  O  O8  4  0.0000  0.4659  0.7983  1.0
]