data_[Sm8Tm8Sb20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [15.7919]
_cell_length_b [8.0208]
_cell_length_c [8.2348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Sm2Tm2Sb5]
_chemical_formula_sum '[Sm8 Tm8 Sb20]'
_cell_volume [1043.0431]
_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  0.1920  0.0000  0.0000  1
  Tm  Tm1  8  0.0000  0.1553  0.6600  1
  Sb  Sb2  16  0.1363  0.1466  0.3538  1
  Sb  Sb3  4  0.0000  0.0000  0.0000  1
]