data_[U4Tl2Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2351]
_cell_length_b [4.1138]
_cell_length_c [4.5490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.6591]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [U2TlHg]
_chemical_formula_sum '[U4 Tl2 Hg2]'
_cell_volume [192.5768]
_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
[
  U  U0  4  0.2488  0.5000  0.6900  1
  Tl  Tl1  2  0.0000  0.5000  0.0000  1
  Hg  Hg2  2  0.0000  0.0000  0.5000  1
]