data_[U2B4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [2.6480]
_cell_length_b [2.6480]
_cell_length_c [9.5267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [UB2]
_chemical_formula_sum '[U2 B4]'
_cell_volume [66.7996]
_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
  B  B1  4  0.0000  0.0000  0.2830  1
]