data_[Cs1Tl2Sn1F1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [6.2531]
_cell_length_b [6.2531]
_cell_length_c [4.7508]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [CsTl2SnF]
_chemical_formula_sum '[Cs1 Tl2 Sn1 F1]'
_cell_volume [185.7616]
_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
[
  Cs  Cs0  1  0.5000  0.5000  0.5000  1
  Tl  Tl1  2  0.0000  0.5000  0.0000  1
  Sn  Sn2  1  0.0000  0.0000  0.0000  1
  F  F3  1  0.0000  0.0000  0.5000  1
]