data_[Sr2Tl4Sn2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.9850]
_cell_length_b [10.1297]
_cell_length_c [7.9563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [SrTl2SnPb2]
_chemical_formula_sum '[Sr2 Tl4 Sn2 Pb4]'
_cell_volume [401.7666]
_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
[
  Sr  Sr0  2  0.0000  0.4446  0.4879  1.0
  Tl  Tl1  2  0.0000  0.1633  0.8394  1.0
  Tl  Tl2  2  0.5000  0.0721  0.5320  1.0
  Sn  Sn3  2  0.5000  0.3340  0.1664  1.0
  Pb  Pb4  2  0.0000  0.1570  0.2463  1.0
  Pb  Pb5  2  0.5000  0.3641  0.7736  1.0
]