data_[Na2Mg4Tl2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.2338]
_cell_length_b [4.9994]
_cell_length_c [7.6782]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.8063]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaMg2TlPb]
_chemical_formula_sum '[Na2 Mg4 Tl2 Pb2]'
_cell_volume [272.7576]
_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
[
  Na  Na0  2  0.0948  0.7500  0.3724  1.0
  Mg  Mg1  2  0.1635  0.2500  0.0480  1.0
  Mg  Mg2  2  0.4919  0.2500  0.8283  1.0
  Tl  Tl3  2  0.4172  0.2500  0.3911  1.0
  Pb  Pb4  2  0.2100  0.7500  0.8211  1.0
]