data_[Tb4Pr2Nd6Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.2722]
_cell_length_b [12.5706]
_cell_length_c [7.2557]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6153]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Pr(NdSe2)3]
_chemical_formula_sum '[Tb4 Pr2 Nd6 Se12]'
_cell_volume [624.7954]
_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  4  0.0000  0.3338  0.0000  1.0
  Pr  Pr1  2  0.0000  0.0000  0.0000  1.0
  Nd  Nd2  4  0.0000  0.1607  0.5000  1.0
  Nd  Nd3  2  0.0000  0.5000  0.5000  1.0
  Se  Se4  8  0.2473  0.3282  0.7556  1.0
  Se  Se5  4  0.2368  0.5000  0.2393  1.0
]