data_[Tb4Y6Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.5919]
_cell_length_b [3.6180]
_cell_length_c [9.0761]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.9094]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Y3Cu2]
_chemical_formula_sum '[Tb4 Y6 Cu4]'
_cell_volume [368.7149]
_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  0.1575  0.0000  0.8139  1
  Y  Y1  4  0.1132  0.5000  0.4419  1
  Y  Y2  2  0.0000  0.5000  0.0000  1
  Cu  Cu3  4  0.1715  0.0000  0.2301  1
]