data_[Dy1Er1Ti2Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  Ti  1.5400  1.4000  0.8517
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [4.2444]
_cell_length_b [4.2444]
_cell_length_c [7.9089]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [DyEr(TiSn)2]
_chemical_formula_sum '[Dy1 Er1 Ti2 Sn2]'
_cell_volume [142.4811]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.3407  1
  Er  Er1  1  0.5000  0.5000  0.6614  1
  Ti  Ti2  2  0.0000  0.5000  0.9993  1
  Sn  Sn3  1  0.0000  0.0000  0.7473  1
  Sn  Sn4  1  0.5000  0.5000  0.2521  1
]