data_[Nd8H4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  H  2.2000  0.2500  0.0000
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.8891]
_cell_length_b [4.4387]
_cell_length_c [6.5803]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4776]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Nd2HC2]
_chemical_formula_sum '[Nd8 H4 C8]'
_cell_volume [357.0621]
_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
[
  Nd  Nd0  8  0.1363  0.3137  0.1059  1.0
  H  H1  4  0.0000  0.4366  0.7500  1.0
  C  C2  8  0.2214  0.1281  0.5129  1.0
]