data_[La4Np2Cr4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Np  1.3600  1.7500  1.0000
  Cr  1.6600  1.4000  0.9400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4330]
_cell_length_b [3.4872]
_cell_length_c [6.1027]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1675]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La2Np(CrC2)2]
_chemical_formula_sum '[La4 Np2 Cr4 C8]'
_cell_volume [270.0277]
_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  4  0.1320  0.0000  0.5310  1
  Np  Np1  2  0.0000  0.0000  0.0000  1
  Cr  Cr2  4  0.1826  0.5000  0.0035  1
  C  C3  4  0.0468  0.5000  0.7810  1
  C  C4  4  0.2155  0.0000  0.1696  1
]