data_[Tm20Ni8Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Ni  1.9100  1.3500  0.7400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.5334]
_cell_length_b [7.5334]
_cell_length_c [13.2063]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tm5Ni2Sn]
_chemical_formula_sum '[Tm20 Ni8 Sn4]'
_cell_volume [749.4849]
_cell_formula_units_Z [4]
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
[
  Tm  Tm0  16  0.1592  0.3408  0.6360  1.0
  Tm  Tm1  4  0.0000  0.0000  0.0000  1.0
  Ni  Ni2  8  0.1287  0.3713  0.0000  1.0
  Sn  Sn3  4  0.0000  0.0000  0.2500  1.0
]