data_[Ce6Tl3C3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Tl  1.6200  1.9000  1.3325
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.5605]
_cell_length_b [3.5605]
_cell_length_c [25.7304]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Ce2TlC]
_chemical_formula_sum '[Ce6 Tl3 C3]'
_cell_volume [282.4904]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0556  1
  Ce  Ce1  3  0.0000  0.0000  0.2777  1
  Tl  Tl2  3  0.0000  0.0000  0.5006  1
  C  C3  3  0.0000  0.0000  0.6661  1
]