data_[Tb2Ce2Pm2Nd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [6.0495]
_cell_length_b [7.6468]
_cell_length_c [7.3334]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [TbCePmNd2]
_chemical_formula_sum '[Tb2 Ce2 Pm2 Nd4]'
_cell_volume [339.2410]
_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
[
  Tb  Tb0  2  0.2500  0.0000  0.6135  1
  Ce  Ce1  2  0.0000  0.0000  0.0000  1
  Pm  Pm2  2  0.2500  0.5000  0.8433  1
  Nd  Nd3  4  0.2500  0.2875  0.3157  1
]