data_[Sm12Tm2Sn8]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [7.9216]
_cell_length_b [7.9216]
_cell_length_c [12.0185]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [Sm6TmSn4]
_chemical_formula_sum '[Sm12 Tm2 Sn8]'
_cell_volume [754.1726]
_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
[
  Sm  Sm0  8  0.1612  0.1612  0.6654  1
  Sm  Sm1  4  0.0000  0.5000  0.0000  1
  Tm  Tm2  2  0.0000  0.0000  0.0000  1
  Sn  Sn3  8  0.2296  0.2296  0.4013  1
]