data_[Tb8Sm48Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmme]
_cell_length_a [7.1556]
_cell_length_b [11.5368]
_cell_length_c [24.6253]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [Tb2Sm12Mg]
_chemical_formula_sum '[Tb8 Sm48 Mg4]'
_cell_volume [2032.8753]
_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  0.0000  0.2500  0.2674  1
  Tb  Tb1  4  0.0000  0.2500  0.7368  1
  Sm  Sm2  8  0.0000  0.0006  0.9259  1
  Sm  Sm3  8  0.0000  0.0230  0.4393  1
  Sm  Sm4  8  0.2324  0.2500  0.5864  1
  Sm  Sm5  8  0.2490  0.2500  0.1258  1
  Sm  Sm6  8  0.2500  0.0000  0.1965  1
  Sm  Sm7  8  0.2500  0.0000  0.3242  1
  Mg  Mg8  4  0.0000  0.2500  0.0001  1
]