data_[Dy1Ho2Si6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Ho  1.2300  1.7500  1.0410
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P6/mmm]
_cell_length_a [7.0832]
_cell_length_b [7.0832]
_cell_length_c [3.9225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [191]
_chemical_formula_structural [Dy(HoSi3)2]
_chemical_formula_sum '[Dy1 Ho2 Si6]'
_cell_volume [170.4301]
_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  0.0000  1
  Ho  Ho1  2  0.3333  0.6667  0.0000  1
  Si  Si2  6  0.0000  0.3336  0.5000  1
]