data_[Tb4Pm2Pr16]
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
  Pr  1.1300  1.8500  1.0600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.1447]
_cell_length_b [6.8734]
_cell_length_c [6.7794]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0208]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2PmPr8]
_chemical_formula_sum '[Tb4 Pm2 Pr16]'
_cell_volume [786.7183]
_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  0.1983  0.0000  0.8094  1
  Pr  Pr1  8  0.0875  0.2614  0.4089  1
  Pr  Pr2  4  0.0946  0.5000  0.9161  1
  Pr  Pr3  4  0.2449  0.0000  0.3204  1
  Pm  Pm4  2  0.0000  0.0000  0.0000  1
]