data_[La12Ni2Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Ni  1.9100  1.3500  0.7400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.3358]
_cell_length_b [10.2650]
_cell_length_c [6.8965]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.4454]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La6NiHg]
_chemical_formula_sum '[La12 Ni2 Hg2]'
_cell_volume [507.1186]
_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  8  0.1347  0.1921  0.7722  1.0
  La  La1  4  0.2071  0.5000  0.6152  1.0
  Ni  Ni2  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg3  2  0.0000  0.5000  0.0000  1.0
]