data_[Tb2Pm6Dy4Se12]
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
  Dy  1.2200  1.7500  1.1310
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0915]
_cell_length_b [4.1122]
_cell_length_c [8.3443]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.2265]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbPm3(DySe3)2]
_chemical_formula_sum '[Tb2 Pm6 Dy4 Se12]'
_cell_volume [601.7434]
_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  0.5000  0.0000  1
  Pm  Pm1  4  0.1661  0.0000  0.8333  1
  Pm  Pm2  2  0.0000  0.5000  0.5000  1
  Dy  Dy3  4  0.1663  0.0000  0.3328  1
  Se  Se4  4  0.0027  0.0000  0.2450  1
  Se  Se5  4  0.1649  0.5000  0.0902  1
  Se  Se6  4  0.1693  0.5000  0.5768  1
]