data_[U16As4C8N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  As  2.1800  1.1500  0.6600
  C  2.5500  0.7000  0.3000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6403]
_cell_length_b [12.8304]
_cell_length_c [11.6072]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [U4AsC2N]
_chemical_formula_sum '[U16 As4 C8 N4]'
_cell_volume [542.1313]
_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  8  0.0000  0.2518  0.0856  1
  U  U1  4  0.0000  0.0000  0.0000  1
  U  U2  4  0.0000  0.4372  0.7500  1
  As  As3  4  0.0000  0.1188  0.7500  1
  C  C4  8  0.0000  0.3874  0.5614  1
  N  N5  4  0.0000  0.1734  0.2500  1
]