data_[Tb4Co1Cu3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Co  1.8800  1.3500  0.7683
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [3.7434]
_cell_length_b [4.3875]
_cell_length_c [10.3554]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [Tb4CoCu3]
_chemical_formula_sum '[Tb4 Co1 Cu3]'
_cell_volume [170.0768]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.1376  1
  Tb  Tb1  1  0.0000  0.5000  0.8697  1
  Tb  Tb2  1  0.5000  0.0000  0.6422  1
  Tb  Tb3  1  0.5000  0.5000  0.3482  1
  Co  Co4  1  0.5000  0.5000  0.0741  1
  Cu  Cu5  1  0.0000  0.0000  0.4292  1
  Cu  Cu6  1  0.0000  0.5000  0.5688  1
  Cu  Cu7  1  0.5000  0.0000  0.9302  1
]