data_[Tb2Pm10Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.6031]
_cell_length_b [10.0508]
_cell_length_c [11.1665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [TbPm5Sn2]
_chemical_formula_sum '[Tb2 Pm10 Sn4]'
_cell_volume [516.6092]
_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  0.0000  0.0000  0.0000  1
  Pm  Pm1  8  0.0000  0.1869  0.3429  1
  Pm  Pm2  2  0.0000  0.5000  0.0000  1
  Sn  Sn3  4  0.0000  0.5000  0.2964  1
]