data_[U4Pb4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pbcm]
_cell_length_a [5.4973]
_cell_length_b [8.0303]
_cell_length_c [8.2685]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [57]
_chemical_formula_structural [UPbO4]
_chemical_formula_sum '[U4 Pb4 O16]'
_cell_volume [365.0091]
_cell_formula_units_Z [4]
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  0.5000  0.0000  0.0000  1
  Pb  Pb1  4  0.0119  0.2028  0.2500  1
  O  O2  8  0.2009  0.5861  0.5797  1
  O  O3  4  0.3287  0.2500  0.0000  1
  O  O4  4  0.3584  0.5407  0.2500  1
]