data_[Ta2Hg1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [2.9729]
_cell_length_b [2.9729]
_cell_length_c [7.5782]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Ta2Hg]
_chemical_formula_sum '[Ta2 Hg1]'
_cell_volume [58.0048]
_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
[
  Ta  Ta0  2  0.3333  0.6667  0.3335  1
  Hg  Hg1  1  0.0000  0.0000  0.0000  1
]