data_[Tb8Pm2S8]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.0668]
_cell_length_b [3.9270]
_cell_length_c [9.5619]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.7094]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb4PmS4]
_chemical_formula_sum '[Tb8 Pm2 S8]'
_cell_volume [426.1573]
_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  0.0987  0.0000  0.3959  1
  Tb  Tb1  4  0.2043  0.5000  0.7988  1
  Pm  Pm2  2  0.0000  0.5000  0.0000  1
  S  S3  4  0.1050  0.0000  0.8975  1
  S  S4  4  0.2020  0.5000  0.3077  1
]