data_[Tb2Ce2Tl2Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Tl  1.6200  1.9000  1.3325
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.6947]
_cell_length_b [4.3700]
_cell_length_c [14.3611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TbCeTlCu2]
_chemical_formula_sum '[Tb2 Ce2 Tl2 Cu4]'
_cell_volume [231.8702]
_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  0.3644  1
  Ce  Ce1  2  0.0000  0.0000  0.6319  1
  Tl  Tl2  2  0.5000  0.0000  0.9957  1
  Cu  Cu3  2  0.5000  0.0000  0.2079  1
  Cu  Cu4  2  0.5000  0.0000  0.8001  1
]