data_[Li12Y8Hg16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Y  1.2200  1.8000  1.0400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [5.9951]
_cell_length_b [15.6669]
_cell_length_c [8.3125]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Li3(YHg2)2]
_chemical_formula_sum '[Li12 Y8 Hg16]'
_cell_volume [780.7469]
_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
[
  Li  Li0  8  0.2500  0.2179  0.7500  1.0
  Li  Li1  4  0.0000  0.0000  0.0000  1.0
  Y  Y2  8  0.0000  0.1156  0.4170  1.0
  Hg  Hg3  8  0.0000  0.1830  0.0408  1.0
  Hg  Hg4  8  0.2500  0.0467  0.7500  1.0
]