data_[Na3Tl3Hg3Pd3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
  Pd  2.2000  1.4000  0.8462
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.6830]
_cell_length_b [4.6830]
_cell_length_c [15.9763]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaTlHgPd]
_chemical_formula_sum '[Na3 Tl3 Hg3 Pd3]'
_cell_volume [303.4248]
_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
[
  Na  Na0  3  0.0000  0.0000  0.6815  1.0
  Tl  Tl1  3  0.0000  0.0000  0.4686  1.0
  Hg  Hg2  3  0.0000  0.0000  0.2527  1.0
  Pd  Pd3  3  0.0000  0.0000  0.8713  1.0
]