data_[Ba2Li1Ni1Hg1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Li  0.9800  1.4500  0.9000
  Ni  1.9100  1.3500  0.7400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.9630]
_cell_length_b [5.9630]
_cell_length_c [5.1063]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Ba2LiNiHg]
_chemical_formula_sum '[Ba2 Li1 Ni1 Hg1]'
_cell_volume [181.5649]
_cell_formula_units_Z [1]
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
[
  Ba  Ba0  2  0.0000  0.5000  0.0000  1
  Li  Li1  1  0.5000  0.5000  0.5000  1
  Ni  Ni2  1  0.0000  0.0000  0.0000  1
  Hg  Hg3  1  0.0000  0.0000  0.5000  1
]