data_[Dy2Ni18Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Ni  1.9100  1.3500  0.7400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [8.2094]
_cell_length_b [8.2094]
_cell_length_c [4.8756]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [DyNi9Sn2]
_chemical_formula_sum '[Dy2 Ni18 Sn4]'
_cell_volume [328.5876]
_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
[
  Dy  Dy0  2  0.0000  0.0000  0.0000  1
  Ni  Ni1  8  0.0654  0.2051  0.5000  1
  Ni  Ni2  8  0.1738  0.6738  0.2458  1
  Ni  Ni3  2  0.0000  0.5000  0.5000  1
  Sn  Sn4  4  0.1281  0.3719  0.0000  1
]