data_[Tb4Dy4Y16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.7452]
_cell_length_b [6.2026]
_cell_length_c [12.0740]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2473]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TbDyY4]
_chemical_formula_sum '[Tb4 Dy4 Y16]'
_cell_volume [768.5252]
_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
[
  Tb  Tb0  4  0.2500  0.2500  0.5000  1
  Y  Y1  8  0.0830  0.2492  0.9998  1
  Y  Y2  8  0.1669  0.4175  0.7500  1
  Dy  Dy3  4  0.0000  0.0832  0.2500  1
]