data_[Nd16Sm4Tm8]
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 [Imma]
_cell_length_a [6.8883]
_cell_length_b [11.4760]
_cell_length_c [12.1296]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Nd4SmTm2]
_chemical_formula_sum '[Nd16 Sm4 Tm8]'
_cell_volume [958.8431]
_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  8  0.0000  0.0017  0.8506  1
  Nd  Nd1  8  0.2212  0.2500  0.0097  1
  Sm  Sm2  4  0.2500  0.2500  0.7500  1
  Tm  Tm3  4  0.0000  0.0000  0.5000  1
  Tm  Tm4  4  0.0000  0.2500  0.2813  1
]