data_[Tb8Pm2Pr4Sm4]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.9546]
_cell_length_b [3.6532]
_cell_length_c [9.7024]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.7184]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb4Pm(PrSm)2]
_chemical_formula_sum '[Tb8 Pm2 Pr4 Sm4]'
_cell_volume [605.2918]
_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  0.0194  0.5000  0.3342  1
  Tb  Tb1  4  0.1854  0.0000  0.3362  1
  Pr  Pr2  4  0.1660  0.5000  0.0008  1
  Pm  Pm3  2  0.0000  0.0000  0.0000  1
  Sm  Sm4  4  0.1471  0.0000  0.6629  1
]