data_[U4P4N16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I4_1/a]
_cell_length_a [4.8983]
_cell_length_b [4.8983]
_cell_length_c [10.8877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [88]
_chemical_formula_structural [UPN4]
_chemical_formula_sum '[U4 P4 N16]'
_cell_volume [261.2352]
_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  0.0000  0.0000  0.5000  1
  P  P1  4  0.0000  0.0000  0.0000  1
  N  N2  16  0.1501  0.2502  0.9220  1
]