data_[La6Sn8Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2129]
_cell_length_b [4.7856]
_cell_length_c [9.3617]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7009]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La3(Sn2Hg)2]
_chemical_formula_sum '[La6 Sn8 Hg4]'
_cell_volume [533.7711]
_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
[
  La  La0  4  0.1651  0.5000  0.6678  1.0
  La  La1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  4  0.0312  0.0000  0.3596  1.0
  Sn  Sn3  4  0.1913  0.5000  0.0318  1.0
  Hg  Hg4  4  0.1581  0.5000  0.3277  1.0
]