data_[Sm20Tl8Cd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Tl  1.6200  1.9000  1.3325
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.7055]
_cell_length_b [11.2516]
_cell_length_c [18.1119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Sm5Tl2Cd]
_chemical_formula_sum '[Sm20 Tl8 Cd4]'
_cell_volume [958.9270]
_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
[
  Sm  Sm0  8  0.0000  0.0442  0.0984  1
  Sm  Sm1  8  0.0000  0.3421  0.0416  1
  Sm  Sm2  4  0.0000  0.4507  0.2500  1
  Tl  Tl3  8  0.0000  0.2448  0.6531  1
  Cd  Cd4  4  0.0000  0.1637  0.2500  1
]