data_[Dy2Mg2Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.0121]
_cell_length_b [4.1336]
_cell_length_c [7.3064]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0019]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [DyMgHg4]
_chemical_formula_sum '[Dy2 Mg2 Hg8]'
_cell_volume [284.1413]
_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  0.0000  0.0000  0.0000  1
  Mg  Mg1  2  0.0000  0.0000  0.5000  1
  Hg  Hg2  4  0.1611  0.5000  0.8190  1
  Hg  Hg3  4  0.1695  0.5000  0.3403  1
]