data_[Tl8Sn2P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [5.9995]
_cell_length_b [5.9995]
_cell_length_c [13.8252]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Tl4SnP2]
_chemical_formula_sum '[Tl8 Sn2 P4]'
_cell_volume [497.6164]
_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
[
  Tl  Tl0  4  0.0000  0.0000  0.2265  1
  Tl  Tl1  4  0.0000  0.5000  0.0000  1
  Sn  Sn2  2  0.0000  0.0000  0.0000  1
  P  P3  4  0.0000  0.0000  0.4233  1
]