data_[Sm14Si4Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [8.4966]
_cell_length_b [11.2113]
_cell_length_c [7.0362]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Sm7(SiSn)2]
_chemical_formula_sum '[Sm14 Si4 Sn4]'
_cell_volume [670.2600]
_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  0.2500  0.2500  0.2696  1
  Sm  Sm1  4  0.0000  0.5000  0.2435  1
  Sm  Sm2  2  0.0000  0.0000  0.0000  1
  Si  Si3  4  0.0000  0.2746  0.0000  1
  Sn  Sn4  4  0.1775  0.0000  0.5000  1
]