data_[Nd8Sm8Sb12]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I2_13]
_cell_length_a [9.4541]
_cell_length_b [9.4541]
_cell_length_c [9.4541]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [199]
_chemical_formula_structural [Nd2Sm2Sb3]
_chemical_formula_sum '[Nd8 Sm8 Sb12]'
_cell_volume [845.0125]
_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  0.0718  0.9282  0.4282  1
  Sm  Sm1  8  0.1800  0.3200  0.6800  1
  Sb  Sb2  12  0.0000  0.2500  0.3777  1
]