data_[Sm20Sb8Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.1899]
_cell_length_b [13.1182]
_cell_length_c [13.9267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Sm5Sb2Te]
_chemical_formula_sum '[Sm20 Sb8 Te4]'
_cell_volume [1130.8437]
_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  0.0511  0.1155  1
  Sm  Sm1  8  0.0000  0.3699  0.0628  1
  Sm  Sm2  4  0.0000  0.3235  0.7500  1
  Sb  Sb3  8  0.0000  0.1793  0.5726  1
  Te  Te4  4  0.0000  0.2399  0.2500  1
]