data_[Tm4Si12Pt20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.9338]
_cell_length_b [10.9259]
_cell_length_c [13.9212]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [TmSi3Pt5]
_chemical_formula_sum '[Tm4 Si12 Pt20]'
_cell_volume [598.3315]
_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  4  0.0000  0.2125  0.2500  1
  Si  Si1  8  0.0000  0.3599  0.0129  1
  Si  Si2  4  0.0000  0.0553  0.7500  1
  Pt  Pt3  8  0.0000  0.2068  0.6098  1
  Pt  Pt4  8  0.0000  0.4690  0.6502  1
  Pt  Pt5  4  0.0000  0.0000  0.0000  1
]