data_[Dy8Er4Hg8]
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
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.7442]
_cell_length_b [27.0848]
_cell_length_c [5.2622]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Dy2ErHg2]
_chemical_formula_sum '[Dy8 Er4 Hg8]'
_cell_volume [533.6384]
_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
[
  Dy  Dy0  4  0.0000  0.0473  0.2500  1
  Dy  Dy1  4  0.0000  0.2357  0.2500  1
  Er  Er2  4  0.0000  0.1463  0.7500  1
  Hg  Hg3  4  0.0000  0.3560  0.7500  1
  Hg  Hg4  4  0.0000  0.4514  0.2500  1
]