data_[La4Mg12Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Mg  1.3100  1.5000  0.8600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.4084]
_cell_length_b [4.7477]
_cell_length_c [8.3161]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.9348]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [LaMg3Hg2]
_chemical_formula_sum '[La4 Mg12 Hg8]'
_cell_volume [607.2412]
_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
[
  La  La0  4  0.1391  0.0000  0.0612  1.0
  Mg  Mg1  4  0.0516  0.0000  0.3903  1.0
  Mg  Mg2  4  0.1091  0.5000  0.7101  1.0
  Mg  Mg3  4  0.1917  0.5000  0.4600  1.0
  Hg  Hg4  4  0.0205  0.5000  0.1852  1.0
  Hg  Hg5  4  0.2114  0.0000  0.7439  1.0
]