data_[Tb2Pb8F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [9.1938]
_cell_length_b [9.1938]
_cell_length_c [6.2188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [TbPb4F10]
_chemical_formula_sum '[Tb2 Pb8 F20]'
_cell_volume [525.6436]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1
  Pb  Pb1  8  0.1007  0.7002  0.5000  1
  F  F2  16  0.0964  0.1851  0.2154  1
  F  F3  4  0.0000  0.5000  0.2500  1
]