data_[Nd6Fe2C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Fe  1.8300  1.4000  0.8525
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.4292]
_cell_length_b [3.6964]
_cell_length_c [4.3234]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.0463]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd3FeC4]
_chemical_formula_sum '[Nd6 Fe2 C8]'
_cell_volume [259.2903]
_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
[
  Nd  Nd0  4  0.1758  0.5000  0.2101  1.0
  Nd  Nd1  2  0.0000  0.5000  0.5000  1.0
  Fe  Fe2  2  0.0000  0.0000  0.0000  1.0
  C  C3  4  0.0966  0.0000  0.8360  1.0
  C  C4  4  0.1674  0.0000  0.7177  1.0
]