data_[Tb20Nd8Sm4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.6879]
_cell_length_b [8.6879]
_cell_length_c [15.7405]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tb5Nd2SmTm]
_chemical_formula_sum '[Tb20 Nd8 Sm4 Tm4]'
_cell_volume [1188.0853]
_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
[
  Tb  Tb0  16  0.2119  0.2881  0.3603  1
  Tb  Tb1  4  0.0000  0.0000  0.0000  1
  Nd  Nd2  8  0.1179  0.3821  0.0000  1
  Sm  Sm3  4  0.0000  0.0000  0.2500  1
  Tm  Tm4  4  0.0000  0.5000  0.2500  1
]