data_[Ce4Mn4Nb8C16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Mn  1.5500  1.4000  0.6483
  Nb  1.6000  1.4500  0.8200
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.2555]
_cell_length_b [11.1637]
_cell_length_c [10.8683]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [CeMn(NbC2)2]
_chemical_formula_sum '[Ce4 Mn4 Nb8 C16]'
_cell_volume [394.9950]
_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
[
  Ce  Ce0  4  0.0000  0.0970  0.7500  1
  Mn  Mn1  4  0.0000  0.1664  0.2500  1
  Nb  Nb2  8  0.0000  0.3705  0.5432  1
  C  C3  8  0.0000  0.2653  0.1180  1
  C  C4  4  0.0000  0.0000  0.0000  1
  C  C5  4  0.0000  0.4208  0.7500  1
]