data_[Tb4Pm6Pr2Sm12]
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 [6.2883]
_cell_length_b [10.8865]
_cell_length_c [12.0484]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0310]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Pm3PrSm6]
_chemical_formula_sum '[Tb4 Pm6 Pr2 Sm12]'
_cell_volume [812.1909]
_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  0.3334  0.0000  1
  Pm  Pm1  4  0.0000  0.1670  0.5000  1
  Pr  Pr2  2  0.0000  0.0000  0.0000  1
  Pm  Pm3  2  0.0000  0.5000  0.5000  1
  Sm  Sm4  8  0.2496  0.3329  0.7509  1
  Sm  Sm5  4  0.2490  0.5000  0.2491  1
]