data_[Tb4Cu2Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.2762]
_cell_length_b [10.7199]
_cell_length_c [5.3739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.2459]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2CuCl8]
_chemical_formula_sum '[Tb4 Cu2 Cl16]'
_cell_volume [821.0956]
_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  0.2268  0.0000  0.2364  1
  Cu  Cu1  2  0.0000  0.0000  0.0000  1
  Cl  Cl2  8  0.0885  0.1601  0.1885  1
  Cl  Cl3  4  0.1011  0.5000  0.7515  1
  Cl  Cl4  4  0.2171  0.0000  0.7281  1
]