data_[La12Mg3Zn6Hg3]
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
  Zn  1.6500  1.3500  0.8800
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.4376]
_cell_length_b [5.4376]
_cell_length_c [26.7369]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [La4MgZn2Hg]
_chemical_formula_sum '[La12 Mg3 Zn6 Hg3]'
_cell_volume [684.6393]
_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  0.1259  1.0
  La  La1  6  0.0000  0.0000  0.3765  1.0
  Mg  Mg2  3  0.0000  0.0000  0.0000  1.0
  Zn  Zn3  6  0.0000  0.0000  0.2560  1.0
  Hg  Hg4  3  -0.0000  -0.0000  0.5000  1.0
]