data_[Li2Mg2U2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  U  1.3800  1.7500  0.9913
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.4122]
_cell_length_b [3.5140]
_cell_length_c [7.8383]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.6950]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiMgUN3]
_chemical_formula_sum '[Li2 Mg2 U2 N6]'
_cell_volume [148.9087]
_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
[
  Li  Li0  2  0.2841  0.2500  0.9956  1
  Mg  Mg1  2  0.4199  0.7500  0.3131  1
  U  U2  2  0.0899  0.7500  0.6879  1
  N  N3  2  0.0515  0.7500  0.1907  1
  N  N4  2  0.2207  0.2500  0.5143  1
  N  N5  2  0.4238  0.7500  0.8136  1
]