data_[U2Nb2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Nb  1.6000  1.4500  0.8200
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.7128]
_cell_length_b [3.5723]
_cell_length_c [14.5168]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [UNbSb2]
_chemical_formula_sum '[U2 Nb2 Sb4]'
_cell_volume [192.5401]
_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  0.0055  1
  Nb  Nb1  2  0.0000  0.0000  0.2392  1
  Sb  Sb2  2  0.5000  0.0000  0.3826  1
  Sb  Sb3  2  0.5000  0.0000  0.6499  1
]