data_[Li4Tl4Pb4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.6311]
_cell_length_b [6.6616]
_cell_length_c [9.4597]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [LiTlPbO4]
_chemical_formula_sum '[Li4 Tl4 Pb4 O16]'
_cell_volume [417.8734]
_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
[
  Li  Li0  4  0.0000  0.2500  0.1132  1
  Tl  Tl1  4  0.0000  0.0000  0.5000  1
  Pb  Pb2  4  0.2500  0.2500  0.7500  1
  O  O3  8  0.0000  0.0225  0.7474  1
  O  O4  8  0.2379  0.2500  0.5160  1
]