data_[Ca4Tl4Ga4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Tl  1.6200  1.9000  1.3325
  Ga  1.8100  1.3000  0.7600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [7.6740]
_cell_length_b [7.6740]
_cell_length_c [7.6740]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [CaTlGaPb]
_chemical_formula_sum '[Ca4 Tl4 Ga4 Pb4]'
_cell_volume [451.9171]
_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
[
  Ca  Ca0  4  0.0000  0.0000  0.5000  1
  Tl  Tl1  4  0.2500  0.2500  0.7500  1
  Ga  Ga2  4  0.2500  0.2500  0.2500  1
  Pb  Pb3  4  0.0000  0.0000  0.0000  1
]