data_[Tb4Dy1Tm15]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.9476]
_cell_length_b [4.9476]
_cell_length_c [24.7275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Tb4DyTm15]
_chemical_formula_sum '[Tb4 Dy1 Tm15]'
_cell_volume [605.2920]
_cell_formula_units_Z [1]
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  0.2001  1
  Tb  Tb1  2  0.0000  0.0000  0.4000  1
  Dy  Dy2  1  0.0000  0.0000  0.0000  1
  Tm  Tm3  4  0.0000  0.5000  0.0999  1
  Tm  Tm4  4  0.0000  0.5000  0.3001  1
  Tm  Tm5  2  0.0000  0.5000  0.5000  1
  Tm  Tm6  2  0.5000  0.5000  0.2000  1
  Tm  Tm7  2  0.5000  0.5000  0.4001  1
  Tm  Tm8  1  0.5000  0.5000  0.0000  1
]