data_[Nd4Sm12Cu8]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [6.9545]
_cell_length_b [13.7254]
_cell_length_c [7.3353]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [NdSm3Cu2]
_chemical_formula_sum '[Nd4 Sm12 Cu8]'
_cell_volume [700.1815]
_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  0.0000  0.0000  0.0000  1
  Sm  Sm1  8  0.0000  0.2353  0.2500  1
  Sm  Sm2  4  0.0000  0.5000  0.2500  1
  Cu  Cu3  8  0.2043  0.3584  0.0000  1
]