data_[Dy1Be1Fe2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Be  1.5700  1.0500  0.5900
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.9734]
_cell_length_b [3.9734]
_cell_length_c [5.1664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [DyBe(FeSi)2]
_chemical_formula_sum '[Dy1 Be1 Fe2 Si2]'
_cell_volume [81.5652]
_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  0.5000  1
  Be  Be1  1  0.0000  0.0000  0.0000  1
  Fe  Fe2  2  0.0000  0.5000  0.0000  1
  Si  Si3  2  0.5000  0.5000  0.2563  1
]