data_[Na2Sr2Tl6Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  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 [7.9696]
_cell_length_b [5.0861]
_cell_length_c [9.7473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6862]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaSrTl3Pb]
_chemical_formula_sum '[Na2 Sr2 Tl6 Pb2]'
_cell_volume [378.4634]
_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  0.4989  0.2500  0.8858  1.0
  Sr  Sr1  2  0.1537  0.7500  0.3135  1.0
  Tl  Tl2  2  0.1587  0.2500  0.0394  1.0
  Tl  Tl3  2  0.1791  0.7500  0.8072  1.0
  Tl  Tl4  2  0.2224  0.2500  0.5702  1.0
  Pb  Pb5  2  0.4915  0.2500  0.3548  1.0
]