data_[Ce2Y20Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [12.1183]
_cell_length_b [12.1183]
_cell_length_c [7.6580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Ce(Y5Tm2)2]
_chemical_formula_sum '[Ce2 Y20 Tm8]'
_cell_volume [1124.5922]
_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
[
  Ce  Ce0  2  0.0000  0.0000  0.0000  1
  Y  Y1  16  0.1001  0.1985  0.2498  1
  Y  Y2  4  0.0000  0.5000  0.2500  1
  Tm  Tm3  8  0.0998  0.6987  0.5000  1
]