data_[Dy2Er6]
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
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [17.6680]
_cell_length_b [6.9801]
_cell_length_c [6.0428]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [DyEr3]
_chemical_formula_sum '[Dy2 Er6]'
_cell_volume [745.2193]
_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  0.4242  0.3747  0.0270  1
  Er  Er1  2  0.4261  0.1247  0.5274  1
  Er  Er2  2  0.5745  0.3752  0.3603  1
  Er  Er3  2  0.5752  0.1251  0.8610  1
]