data_[Tb4Mg4Cd2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Mg  1.3100  1.5000  0.8600
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.9966]
_cell_length_b [15.5959]
_cell_length_c [3.3536]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb2Mg2Cd]
_chemical_formula_sum '[Tb4 Mg4 Cd2]'
_cell_volume [261.3324]
_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  0.0000  0.3919  0.5000  1
  Mg  Mg1  4  0.0000  0.2005  0.0000  1
  Cd  Cd2  2  0.0000  0.0000  0.0000  1
]