data_[Nd8Sm6Er6]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.8304]
_cell_length_b [13.3180]
_cell_length_c [13.2677]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Nd4(SmEr)3]
_chemical_formula_sum '[Nd8 Sm6 Er6]'
_cell_volume [676.8334]
_cell_formula_units_Z [2]
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  0.1306  0.0012  1
  Nd  Nd1  2  0.0000  0.0000  0.3705  1
  Nd  Nd2  2  0.0000  0.0000  0.6288  1
  Sm  Sm3  4  0.0000  0.2471  0.2493  1
  Sm  Sm4  2  0.5000  0.0000  0.8314  1
  Er  Er5  4  0.5000  0.1687  0.4995  1
  Er  Er6  2  0.5000  0.0000  0.1692  1
]