data_[U8As4C4]
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
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [5.5335]
_cell_length_b [5.5376]
_cell_length_c [11.7165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.2181]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [U2AsC]
_chemical_formula_sum '[U8 As4 C4]'
_cell_volume [319.2713]
_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  0.0888  0.2585  0.0950  1
  U  U1  4  0.3468  0.2315  0.8472  1
  As  As2  4  0.3815  0.2682  0.3741  1
  C  C3  4  0.0845  0.1902  0.6254  1
]