data_[Li4Y4Hg12]
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 [Cmcm]
_cell_length_a [4.4298]
_cell_length_b [21.0143]
_cell_length_c [4.8593]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [LiYHg3]
_chemical_formula_sum '[Li4 Y4 Hg12]'
_cell_volume [452.3505]
_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  4  0.0000  0.2483  0.2500  1.0
  Y  Y1  4  0.0000  0.4343  0.2500  1.0
  Hg  Hg2  4  0.0000  0.0497  0.2500  1.0
  Hg  Hg3  4  0.0000  0.1700  0.7500  1.0
  Hg  Hg4  4  0.0000  0.3339  0.7500  1.0
]