data_[Tb4Ho4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.5376]
_cell_length_b [3.6946]
_cell_length_c [8.0807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.7016]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbHoCu]
_chemical_formula_sum '[Tb4 Ho4 Cu4]'
_cell_volume [300.1083]
_cell_formula_units_Z [4]
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  0.1568  0.5000  0.5634  1
  Ho  Ho1  4  0.0973  0.0000  0.8868  1
  Cu  Cu2  4  0.1211  0.5000  0.1728  1
]