data_[Y6Cd8Hg8]
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 [Immm]
_cell_length_a [3.5113]
_cell_length_b [4.9195]
_cell_length_c [30.8572]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Y3(CdHg)4]
_chemical_formula_sum '[Y6 Cd8 Hg8]'
_cell_volume [533.0307]
_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
[
  Y  Y0  4  0.0000  0.5000  0.1400  1.0
  Y  Y1  2  0.0000  0.0000  0.0000  1.0
  Cd  Cd2  4  0.0000  0.0000  0.2658  1.0
  Cd  Cd3  4  0.0000  0.5000  0.4084  1.0
  Hg  Hg4  4  0.0000  0.0000  0.4528  1.0
  Hg  Hg5  4  0.0000  0.5000  0.3173  1.0
]