data_[U2Tl4Se4O4]
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
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7906]
_cell_length_b [4.2832]
_cell_length_c [7.9134]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.8423]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [UTl2(SeO)2]
_chemical_formula_sum '[U2 Tl4 Se4 O4]'
_cell_volume [372.2197]
_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  2  0.0000  0.0000  0.0000  1
  Tl  Tl1  4  0.1792  0.0000  0.6791  1
  Se  Se2  4  0.0575  0.5000  0.2769  1
  O  O3  4  0.1597  0.0000  0.0602  1
]