data_[Sm4Dy4Si16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [8.3204]
_cell_length_b [14.5888]
_cell_length_c [4.1020]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [SmDySi4]
_chemical_formula_sum '[Sm4 Dy4 Si16]'
_cell_volume [497.9180]
_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  4  0.1099  0.1340  0.0000  1
  Dy  Dy1  4  0.1406  0.4125  0.0000  1
  Si  Si2  4  0.0358  0.2894  0.5000  1
  Si  Si3  4  0.1235  0.5637  0.5000  1
  Si  Si4  4  0.1281  0.9671  0.5000  1
  Si  Si5  4  0.1828  0.8064  0.5000  1
]