data_[Tb2Pm3Nd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.6450]
_cell_length_b [3.6450]
_cell_length_c [27.1435]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Tb2Pm3Nd4]
_chemical_formula_sum '[Tb2 Pm3 Nd4]'
_cell_volume [312.3173]
_cell_formula_units_Z [1]
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
[
  Tb  Tb0  1  0.0000  0.0000  0.0871  1
  Tb  Tb1  1  0.0000  0.0000  0.8736  1
  Pm  Pm2  1  0.0000  0.0000  0.6550  1
  Pm  Pm3  1  0.3333  0.6667  0.3207  1
  Pm  Pm4  1  0.3333  0.6667  0.9830  1
  Nd  Nd5  1  0.0000  0.0000  0.2134  1
  Nd  Nd6  1  0.0000  0.0000  0.4333  1
  Nd  Nd7  1  0.3333  0.6667  0.5442  1
  Nd  Nd8  1  0.3333  0.6667  0.7668  1
]