data_[La12Al9Hg3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Al  1.6100  1.2500  0.6750
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.4238]
_cell_length_b [5.4238]
_cell_length_c [26.6308]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [La4Al3Hg]
_chemical_formula_sum '[La12 Al9 Hg3]'
_cell_volume [678.4464]
_cell_formula_units_Z [3]
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
[
  La  La0  6  0.0000  0.0000  0.1265  1
  La  La1  6  0.0000  0.0000  0.3768  1
  Al  Al2  6  0.0000  0.0000  0.7495  1
  Al  Al3  3  -0.0000  -0.0000  0.5000  1
  Hg  Hg4  3  0.0000  0.0000  0.0000  1
]