data_[U24Hg40Se96]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Hg  2.0000  1.5000  1.2450
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Ia-3d]
_cell_length_a [16.4368]
_cell_length_b [16.4368]
_cell_length_c [16.4368]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [230]
_chemical_formula_structural [U3Hg5Se12]
_chemical_formula_sum '[U24 Hg40 Se96]'
_cell_volume [4440.7401]
_cell_formula_units_Z [8]
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  24  0.0000  0.2500  0.1250  1
  Hg  Hg1  24  0.0000  0.2500  0.3750  1
  Hg  Hg2  16  0.0000  0.0000  0.0000  1
  Se  Se3  96  0.0166  0.0718  0.6543  1
]