data_[La2Ce4U2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Ce  1.1200  1.8500  1.0800
  U  1.3800  1.7500  0.9913
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [5.0695]
_cell_length_b [5.0695]
_cell_length_c [10.0858]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [LaCe2UN4]
_chemical_formula_sum '[La2 Ce4 U2 N8]'
_cell_volume [259.2055]
_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
[
  La  La0  2  0.0000  0.5000  0.7500  1
  Ce  Ce1  2  0.0000  0.0000  0.0000  1
  Ce  Ce2  2  0.0000  0.5000  0.2500  1
  U  U3  2  0.0000  0.0000  0.5000  1
  N  N4  4  0.0000  0.0000  0.2793  1
  N  N5  4  0.0000  0.5000  0.0082  1
]