data_[Mg1Tl1Bi1Pb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.4111]
_cell_length_b [3.4111]
_cell_length_c [10.2817]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [MgTlBiPb]
_chemical_formula_sum '[Mg1 Tl1 Bi1 Pb1]'
_cell_volume [119.6350]
_cell_formula_units_Z [1]
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
[
  Mg  Mg0  1  0.0000  0.0000  0.4760  1.0
  Tl  Tl1  1  0.0000  0.0000  0.9611  1.0
  Bi  Bi2  1  0.5000  0.5000  0.2601  1.0
  Pb  Pb3  1  0.5000  0.5000  0.6916  1.0
]