data_[Nd4Sm8Tm20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [C2/c]
_cell_length_a [16.2385]
_cell_length_b [9.8270]
_cell_length_c [6.4384]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.4265]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NdSm2Tm5]
_chemical_formula_sum '[Nd4 Sm8 Tm20]'
_cell_volume [1018.7969]
_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
[
  Nd  Nd0  4  0.2500  0.2500  0.0000  1
  Sm  Sm1  8  0.0758  0.2546  0.1126  1
  Tm  Tm2  8  0.0993  0.4090  0.6414  1
  Tm  Tm3  8  0.1946  0.0896  0.5190  1
  Tm  Tm4  4  0.0000  0.0560  0.7500  1
]