data_[Y8Cd4Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.5157]
_cell_length_b [4.7351]
_cell_length_c [10.5907]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.9387]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Y2CdHg2]
_chemical_formula_sum '[Y8 Cd4 Hg8]'
_cell_volume [523.6420]
_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
[
  Y  Y0  4  0.0153  0.5000  0.3361  1.0
  Y  Y1  4  0.1758  0.5000  0.0929  1.0
  Cd  Cd2  4  0.2174  0.0000  0.3356  1.0
  Hg  Hg3  4  0.0449  0.0000  0.8817  1.0
  Hg  Hg4  4  0.1358  0.0000  0.5862  1.0
]