data_[Tb2Sm2Zn8]
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
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.5031]
_cell_length_b [7.1875]
_cell_length_c [7.5624]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [TbSmZn4]
_chemical_formula_sum '[Tb2 Sm2 Zn8]'
_cell_volume [244.7657]
_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  2  0.0000  0.5000  0.4719  1
  Sm  Sm1  2  0.0000  0.0000  0.5321  1
  Zn  Zn2  4  0.0000  0.2042  0.1648  1
  Zn  Zn3  4  0.0000  0.2944  0.8332  1
]