data_[Nd2U2Se2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  U  1.3800  1.7500  0.9913
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [3.9056]
_cell_length_b [3.9056]
_cell_length_c [12.3565]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [NdUSeO2]
_chemical_formula_sum '[Nd2 U2 Se2 O4]'
_cell_volume [188.4874]
_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
[
  Nd  Nd0  2  0.0000  0.0000  0.1454  1
  U  U1  2  0.0000  0.0000  0.8507  1
  Se  Se2  2  0.0000  0.0000  0.4980  1
  O  O3  4  0.0000  0.5000  0.2529  1
]